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EPA proposes Tier 3 standards for gasoline sulfur content and vehicle emissions; harmonized with California LEV III

Green Car Congress

The US Environmental Protection Agency (EPA) proposed long-anticipated Tier 3 standards for gasoline sulfur content; evaporative emissions; and tailpipe emissions from all light-duty vehicles (LDVs, or passenger cars), light-duty trucks (LDT1s, LDT2s, LDT3s, and LDT4s) and Medium-Duty Passenger Vehicles (or MDPVs). Vehicle emissions.

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USDA study finds GHG from corn-based ethanol ~39% to 43% lower than from gasoline; reduction of >70% possible by 2022

Green Car Congress

A new study released by the US Department of Agriculture (USDA) finds greenhouse gas emissions from corn-based ethanol are about 39% lower than gasoline. The study also states that when ethanol is refined at natural gas-powered refineries, the greenhouse gas emissions are even lower—around 43% below gasoline. Searchinger et al.

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EPA finalizes Tier 3 fuel and emissions standards

Green Car Congress

The US Environmental Protection Agency (EPA) finalized its Tier 3 emission standards for gasoline sulfur content; evaporative emissions; and tailpipe emissions from passenger cars, light-duty trucks, medium-duty passenger vehicles, and some heavy-duty vehicles. EPA had issued the proposed standards last March. Gasoline sulfur.

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EPA trends report sees record levels of average new vehicle fuel economy and CO2 emissions for MY 2012; role of new gasoline vehicle technologies

Green Car Congress

EPA projects advanced transmissions (6+ speeds and CVTs), gasoline direct injection (GDI) systems, and turbocharged engines will be installed on at least 15% of all MY 2013 vehicles. The majority of the emissions and fuel savings from current vehicles, EPA noted, is due to new gasoline vehicle technologies.

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EPA annual report on CO2, fuel economy and technology trends finds 2012 heading for all-time best; rapid adoption of new technologies

Green Car Congress

Source: EPA. The US Environmental Protection Agency (EPA) released its annual report summarizing key trends in carbon dioxide emissions, fuel economy, and CO 2 - and fuel economy-related technology for gasoline- and diesel-fueled personal vehicles sold in the United States, from model years (MY) 1975 through 2012. Source: EPA.

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New one-pot process for conversion of cellulose to n-hexane, a gasoline component

Green Car Congress

One-pot process for conversion of cellulose to hexane, a gasoline component. Researchers at Tohoku University in Japan have developed a one-pot process to convert cellulose to n-hexane in the presence of hydrogen gas. According to the US Environmental Protection Agency (EPA), unleaded gasoline contains about 11.6%

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Honda Clarity Fuel Cell EPA-rated with 366-mile range; longest of any ZEV

Green Car Congress

As the first dedicated platform fuel cell vehicle, the FCX Clarity was powered by the smaller and lighter Honda V-flow fuel cell stack positioned in the center tunnel of the vehicle, with the smooth high torque front-wheel drive electric motor, providing performance on par with a gasoline powered sedan, including a 240 miles driving range rating.

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