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Study finds propane school buses significantly decrease NOx emissions compared to diesel

Green Car Congress

AUGUST 5, 2019

The study was conducted in 2018 by West Virginia University’s Center of Alternatives Fuels, Engines, and Emissions (CAFEE). West Virginia University’s Center for Alternative Fuels Engines and Emissions (CAFEE) completed two types of tests at different times of the year during 2018 on four Blue Bird school buses.

West Virginia 312
West Virginia Diesel Emissions Virginia 312
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SCOPE Biofuels Project Releases Assessment on Environmental Effects of Biofuel Technologies

Green Car Congress

APRIL 3, 2009

The utility of guidelines for sustainable biofuel production and certification programs may be reduced if they are based only on product life-cycle and farming standards, as these cannot address the difficult issue of indirect land use resulting from growing demand. However very few studies include water use impacts. In 2007/08, 0.9%

Conversion 150
Conversion Water Emissions 2009 150
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