Green Car Congress

SEPTEMBER 12, 2012

Laboratory and in-use fuel economy comparison. higher fuel economy than the conventional tractors, resulting in a 12% reduction in fuel costs for the hybrids. higher fuel economy than the conventional tractors, resulting in a 12% reduction in fuel costs for the hybrids. Source: NREL. Click to enlarge.

Fuel Economy 262

Fuel Economy Economy Diesel Hybrid 262

Green Car Congress

AUGUST 5, 2012

The goal of their study was to understand how alternative fuels affect the primary PM emissions, the semi-volatile nature of the these emissions, and the potential for the emissions to form secondary PM. A paper on the results is published in the ACS journal Energy & Fuels. Properties of fuels used in the study.

Emissions 240

Emissions Engine Fuel Gas 240

Green Car Congress

JULY 11, 2012

Miami, 26%. Based on the comparison with 2011, Bradford – Leeds in the UK saw the biggest increase in traffic congestion with journey times slowing significantly. On average, journey times in Los Angeles take 33% longer than when traffic in the city is flowing freely and 77% longer during evening rush hour. Vancouver, 30%. Tampa, 25%.

North America 271

North America Los Angeles America San Francisco 271