Articles tagged with Gasoline
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The upgraded facility enables efficient testing of equipment moving heavy oils, addressing the growing need for advanced gas separation technologies. SwRI's expanded High-Viscosity Flow Loop offers a more comprehensive solution, allowing for cost-effective and efficient testing of pumps in extremely viscous conditions.
A new study finds that electric vehicles outperform gasoline cars in lifetime environmental impact, with a reduction in cumulative CO2 emissions after two years of use. The transportation sector accounts for 28% of US greenhouse gas emissions and adopting electric vehicles can improve climate and air quality.
Using site characterization data from multiple disciplines, researchers can now accurately predict the occurrence of marine landslides. The correct sequence of site investigations and integration of data is crucial for maximizing information and confidence in landslide models.
A study by Virginia Tech researchers found that electric vehicles generally produce less non-exhaust emissions than gasoline-powered vehicles when driving in city conditions. The research also highlights the environmental benefits of regenerative braking, which reduces brake abrasion emissions.
A new study finds that battery-powered electric vehicles (BEVs) have improved significantly in reliability over the years, matching the lifespans of traditional cars and vans with internal combustion engines. BEVs now have an average lifespan of 18.4 years and can travel up to 124,000 miles.
Researchers at King's College London developed a new method to produce biofuels from fatty acids in cooking oil, making it as effective as diesel with improved efficiency. The technology uses enzymes to break down fatty acids into alkenes, reducing the need for conventional catalysts and toxic chemicals.
Research published in the Journal of Child Psychology and Psychiatry found a significant association between childhood lead exposure and mental health symptoms. The study estimated that 151 million excess mental disorders were attributable to lead exposure by 2015, with differences most pronounced for people born between 1966 and 1986.
A new study by Ohio State University researchers has detected lead pollution in ice cores from the Guliya ice cap in northwestern Tibet, revealing a significant change in its origin beginning in 1974. This shift was likely caused by stricter emissions policies implemented in the US during that time period.
Households in low-income areas face higher petrol price increases when rival fuel stations close compared to high-income areas. Despite new station openings, low-income areas do not benefit from the same drop in prices. The study found that larger chains respond with higher price increases following a rival's exit.
A new study found that older electric vehicle models depreciate in value faster than conventional gas cars, but newer models with longer driving ranges are retaining their value better. The research also showed that the COVID-19 pandemic significantly affected vehicle affordability.
Researchers found a significant association between storing chemicals in attached garages and increased ALS risk. The study suggests that volatile chemicals released into the living space may contribute to this link.
A new study reveals that introducing a simple, renewable chemical to the pretreatment step can make next-generation biofuel production cost-effective and carbon neutral. A CELF biorefinery can more fully utilize plant matter than earlier methods, resulting in sustainable aviation fuel at a break-even price of $3.15 per gallon.
A new study by the University of Eastern Finland found that preheating a vehicle has minimal effects on both fuel economy and emissions under cold winter conditions. While preheating showed some benefits in terms of engine comfort and wear reduction, its impact on overall fuel consumption was only slightly lower than after a cold start.
Researchers developed a compact and efficient single-photon Raman lidar system that can detect oil spills in the ocean. The system uses just 1μJ of pulse energy and can be operated up to 1km underwater, making it suitable for monitoring leaks in underwater oil pipelines.
A new study estimates that the overall benefits of switching ride-hailing vehicles from gasoline to electric would be very modest, with a 3% gain per trip. The study found that traffic-related factors, such as congestion and crash risk, dominate societal costs, outweighing emissions reductions.
A study by University of Technology Sydney found that plants can remove 97% of toxic compounds, including cancer-causing pollutants, from indoor air in just eight hours. This breakthrough discovery highlights the critical role played by indoor plants and green walls in improving air quality.
Scientists at the University of Cambridge have created a solar-powered technology that converts carbon dioxide and water into liquid fuels like ethanol and propanol. These fuels have high energy density and produce no net carbon emissions, making them a promising alternative to fossil fuels.
A Florida Atlantic University study reveals that while private automobiles remain dominant, the share of car trips has decreased since its peak in 2001. In contrast, transit, non-motorized, and taxicab trips have increased. Lower-income groups rely heavily on public transportation due to limited mobility options.
A new study published in PNAS Nexus reveals that children living near airports are exposed to toxic levels of lead from aviation gasoline. The researchers found a significant correlation between blood lead levels and proximity to the airport, with higher levels detected in East-facing directions.
Exposure to common workplace agents is associated with a heightened risk of developing rheumatoid arthritis, which can be exacerbated by smoking and genetic predisposition. The study found that certain agents, such as quartz dust and gasoline fumes, are strongly linked to an increased risk of ACPA-positive disease.
Researchers at Argonne National Laboratory have identified promising new biofuels that can reduce greenhouse gas emissions by up to 60% while improving fuel efficiency or reducing tailpipe emissions. The biofuels, developed using advanced engine design, can be blended with conventional fuels to improve engine performance and meet more ...
Researchers at KAUST developed an inverse mixture-design approach using machine learning to create high-performance transport fuels. The model accurately predicted fuel properties and identified suitable blends, offering a promising solution to reduce greenhouse gas emissions.
A new study from Finland found that passenger car preheating produces significant particulate emissions equivalent to driving dozens of kilometers. The study measured auxiliary heater emissions and compared them to calculated emissions from driving, revealing the impact of preheating on air quality.
A new energy-efficient way to produce hydrogen gas from ethanol and water has been developed, enabling on-site production at fueling stations. This innovation could make clean hydrogen fuel a more viable alternative for gasoline-powered cars, reducing the need for hazardous high-pressure hydrogen gas transportation.
A research team successfully synthesized isoparaffin-rich gasoline from syngas using ZnAlO x-SAPO-11 oxide-zeolite (OXZEO) catalysts. The study achieved high selectivity for iso-/n-paraffins, with a ratio of up to 48.
Researchers at TUM have developed a new process for producing ethanol from waste wood and hydrogen, resulting in a lower cost compared to traditional methods. The process has the potential to reduce greenhouse gas emissions by 75% and can be used as a low-carbon fuel alternative.
Researchers found that desert microbes produce nitrous oxide (N2O) emissions in arid soils after rain, contradicting the long-held assumption that it comes from fertilized agricultural fields. The study reveals a new source of nitrogen pollution in deserts, driven by fossil fuel combustion and industrial processes.
A new study calculates that more than 170 million Americans lost an average of nearly three IQ points due to childhood lead exposure from car exhaust between the 1940s and 1996. This translates to a potential shift of millions from below-average cognitive ability to intellectual disability.
Researchers at Stanford University have created a new catalyst that can convert carbon dioxide into gasoline up to 1,000 times more efficiently than existing standards. The breakthrough allows for the production of long-chain hydrocarbons, making it easier to handle and store, with potential applications in a carbon-neutral cycle.
A team of UBCO researchers developed a recipe for a clean-burning, power-boosting aircraft fuel by adding graphene oxide nanomaterials to ethanol. This mixture improves the burn rate by about eight per cent, reducing carbon footprint and increasing engine power.
A recent study from Lund University reveals that inadequate infrastructure hindered the adoption of electric cars in the early 20th century. Electric cars were cheaper to drive and emitted less CO2 than gasoline cars, but access to local electrical infrastructure was a major factor in their popularity.
Researchers discovered that particulate emissions from auxiliary heaters can be significantly higher than those of idling gasoline vehicles, raising concerns about their environmental impact. The study highlights the need for further research on the use and development of heaters to reduce emissions.
Researchers found that airborne lead in London is attributable to resuspended dust, not current coal burning or seasonally variable sources. Historical contributions of leaded gasoline remain a significant source of environmental lead.
Researchers at UCF used advanced light to identify 46 molecules in the flames of a promising biofuel, diisobutylene (DIB). This study aims to help engineers and scientists craft a complete understanding of DIB combustion properties, leading to more efficient fuel development.
A new onboard separation technology developed at PNNL can separate ethanol from gasoline, enabling an octane-on-demand system that improves fuel economy. The technology has shown promising results in separating 95% of ethanol from commercial gasoline.
Trained dogs can detect fire accelerants like gasoline in tiny quantities, making them more sensitive than conventional lab tests. The study provides a target for forensic labs when processing evidence flagged by detection dogs.
A breakthrough in biobutanol separation has been achieved through the development of a novel metal organic framework (MOF) that can efficiently separate biobutanol from biomass fermentation broth. The new MOF has shown great efficiency compared to existing methods, making it a promising step towards economically viable biofuel production.
Researchers at PPPL have developed a novel design that could increase the efficiency of gasoline-fueled internal combustion engines while reducing toxic emissions. The patented method rapidly spins gas inside cylinders to operate at lower temperatures, resulting in lower Nitrogen Oxide emissions and improved fuel economy.
Researchers have developed a one-step conversion process that reduces ethanol-to-hydrocarbon conversion costs by 12-fold. This innovation enables the production of biofuels suitable for various applications, including blending with gasoline or jet fuel.
Researchers at MIT have devised a plug-in hybrid engine system that could power long-haul trucks with electric motors combined with gas-alcohol engines, reducing greenhouse gas emissions. The flex-fuel hybrid option overcomes concerns about limited range and cost, allowing for early entry into the marketplace.
A UC Santa Barbara study reveals that proximity to highly trafficked areas, shopping centers, and freeways leads to higher gas prices. The researchers also found that market competition can override the effect of location, with nearby gas stations influencing pricing behavior.
A study by Columbia University's Mailman School of Public Health found gas station vent pipes release vapors containing toxic chemicals like benzene. The researchers' findings exceed safe limits for benzene exposure, prompting officials to reconsider setback regulations.
Bioscience engineers at KU Leuven have created a roadmap for producing cellulose gasoline, a second-generation biofuel, by converting plant waste into hydrocarbon chains. The process involves adding cellulose to the petroleum refining process, resulting in a strongly bio-sourced gasoline.
A KAUST study investigated the ignition of methanol-based fuel formulations and found that blending dimethyl ether (DME) with methanol improves combustion efficiency. The researchers also discovered that DME dominates reaction pathways during initial phase of ignition, but can be less effective at high temperatures.
A study by GEOMAR and international colleagues reveals a 4-fold reduction in Pb concentrations in European surface waters since the phasing out of leaded gasoline. However, legacy Pb from Mediterranean sources persists, suggesting sediments are now a new source of Pb to the environment.
A study by Northwestern University researchers found that the concentration of ultrafine particles less than 50 nanometers in diameter rose when drivers switched from ethanol to gasoline, but decreased when they switched back. This shift had a significant impact on air quality, with potential health benefits
A six-nation study published in Scientific Reports reveals that modern diesel cars generally emit less pollution than gasoline-powered cars. Diesel's cleaner reputation is due to its lower invisible pollution, which outweighs the more visible emissions from gasoline vehicles.
A new analysis tool reveals energy storage technologies can predict when they become cost-effective, with electric cars leading the way. The study predicts electric cars could rival petrol as early as 2022 and home batteries become competitive by the 2030s.
A team of researchers at KAUST has created a computational model to simulate soot production in gasoline engines, allowing car makers to test potential changes to reduce emissions. By analyzing the chemical reactions involved in soot formation, the model can help manufacturers optimize engine design and improve fuel efficiency.
Researchers have successfully developed a high-efficient, stable, and multifunctional Na-Fe3O4/HZSM-5 catalyst for direct production of gasoline from CO2 hydrogenation. The catalyst exhibited 78% selectivity to C5-C11 hydrocarbons under industrial conditions.
Researchers at Clemson University are working on a technology to improve gasoline direct injection engines' cleanliness, reducing hazardous fine-particle emissions. The team aims to develop engine-control strategies that work together with filters and three-way catalysts to minimize particulate emissions.
Researchers from Portland State University found significant levels of benzene in e-cigarette vapors, thousands of times higher than ambient air when devices are used at high power. Benzene has been linked to diseases like leukemia and bone marrow failure.
A study by Indiana University forecasts that vehicle mileage tax would generate more revenue than indexing gas taxes to inflation or applying sales taxes. Fuel tax revenue will decline by up to 50.5% between 2015 and 2040 if not adjusted for inflation.
Researchers at Indiana University argue that annual registration fees for plug-in vehicles are misguided due to their minimal impact on road infrastructure funding. The decline in federal tax revenue is primarily attributed to increased fuel efficiency and non-adjusted fuel taxes, not plug-in vehicles.
A new study by Michigan State University sociologists found that Americans are more likely to accept a higher gas tax if the revenue is used for energy-efficient transportation, road and bridge repairs, or refunded to taxpayers. The survey of over 3,000 participants showed that an average increase of 51-53 cents per gallon could be acc...
The study found that fuel extracted and refined from Canadian oil sands releases approximately 20% more carbon into the atmosphere over its lifetime. This is due to energy-intensive extraction and refining processes, as well as methane emissions and land disturbance.
Scientists at KU Leuven successfully converted cellulose in sawdust into hydrocarbon chains, which can be used as an additive in gasoline or component in plastics. The conversion process is a new type of bio-refining and has potential economic benefits, offering an alternative to traditional fossil fuels.
Researchers found that small gasoline spills at gas stations can cumulatively harm soil and groundwater in residential areas, potentially impacting the health of those who use wells as a water source. The study suggests that these spills may be a larger issue than previously thought due to their frequency and cumulative effect.
Researchers at NIST developed a prototype field test standard for hydrogen fuel dispensers, which will serve as a model for state inspectors. The test ensures accuracy within 2% (20g) per kilogram, a stringent tolerance due to hydrogen's unique properties.
Researchers at Washington State University have developed the first fuel cell capable of directly converting fuels like jet fuel and gasoline to electricity. This innovation offers a significantly more energy-efficient way to generate electric power for planes or cars.