article thumbnail

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.

Gasoline 255
article thumbnail

Altech-Eco Receives Final EPA Certifications for Dedicated and Bi-Fuel 2010 Ford Focus CNG/Gasoline Conversion Systems

Green Car Congress

Altech-Eco Corporation has obtained Certificates of Conformity (COC) from the EPA for its new dedicated and bi-fuel 2010 Ford Focus compressed natural gas (CNG) conversion systems. The bi-fuel system uses the same storage system. Altech-Eco provides a lifetime warranty on all conversion system emissions components.

article thumbnail

Final EPA report shows total US GHG emissions up 3.2% in 2010, total CO2 up 3.5%, total transportation CO2 up 1%

Green Car Congress

The US Environmental Protection Agency (EPA) has released the 17 th annual US greenhouse gas (GHG) inventory. The final report shows overall emissions in 2010 increased by 3.2% Total emissions of the six main greenhouse gases in 2010 were equivalent to 6,822 million metric tons of carbon dioxide. from 1990 to 2010.

2010 252
article thumbnail

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.

article thumbnail

Shell develops lead-free aviation gasoline

Green Car Congress

Shell has developed a lead-free replacement for aviation gasoline (Avgas 100 and 100LL); the replacement fuel will now begin a strict regulatory approvals process. Leaded gasoline for automobiles was phased out of use in the US by 1995 due to its environmental and health impact.) Shell is the first major oil company to do so.

Gasoline 246
article thumbnail

EPA 2010 Annual Fuel Economy Guide Now Available

Green Car Congress

The US Environmental Protection Agency and the Department of Energy today released the 2010 Fuel Economy Guide, which gives consumers information about estimated fuel costs and mileage standards for model year 2010 vehicles. For MY 2010, the Prius is the top fuel economy leader , with EPA ratings of 51/48 mpg city/highway.

article thumbnail

EPA Issues Advance Notice of Proposed Rulemaking on Lead Emissions from Leaded Aviation Gasoline, Seeks Public Comment

Green Car Congress

The total lead inventory for 2008 will be available in 2010. Source: EPA. EPA has issued an Advance Notice of Proposed Rulemaking (ANPR) on lead emissions from piston-engine aircraft using leaded aviation gasoline (avgas). EPA estimates that approximately 14.6 EPA estimates that approximately 14.6

EPA 199