article thumbnail

Two new studies of road air pollution in London find detrimental effects on over-60s and unborn babies

Green Car Congress

Exposure to air pollution on city streets is enough to counter the beneficial health effects of exercise in adults over 60, according to new research led by Imperial College London and Duke University. Our research suggests that we might advise older adults to walk in green spaces, away from built-up areas and pollution from traffic.

London 150
article thumbnail

Study finds biodiesel use in HD trucks in Canada will result in very minimal changes in air quality and health benefits

Green Car Congress

However, the impact of these changes in HDDV exhaust emissions on ambient atmospheric pollutant concentrations and, more importantly, on human health outcomes across Canada have not been evaluated. —Rouleau et al. the 2008-2012 global recession). These changes would likely be well below any possible verification by ambient monitoring.

Canada 186
article thumbnail

Study Finds Environmental and Tailpipe Pollutants Benefits in Using Biodiesel in Construction Vehicles

Green Car Congress

Using biodiesel in construction vehicles offers promising environmental benefits in terms of reduced tailpipe emissions as well as reductions in fuel cycle emissions of selected pollutants, according to a new study by researchers at North Carolina State University.

Pollution 150
article thumbnail

Tsinghua University provincial-level lifecycle study finds fuel-cycle criteria pollutants of EVs in China could be up to 5x those of natural gas vehicles due to China’s coal-dominant power mix

Green Car Congress

2015) formulated by the National Development and Reform Commission of China (NDRC), coal consumption will be limited to 3900 million metric tons (MMT) by 2015, which will present a challenge given the tremendous increase in coal use within the last 5 years (2300 MMT in 2006 and 3200 MMT in 2010). —Huo et al. Credit: ACS, Huo et al.

Coal 231
article thumbnail

European Court of Auditors finds 2/3 of EU-funded transportation projects underutilized

Green Car Congress

This also implies underperformance in terms of economic and social benefits, such as reduction of pollution levels and congestion. Meanwhile, European cities need to enhance mobility and to reduce congestion, accidents and pollution through local mobility policies. billion (US$14.9 billion)—€2.9 billion (US$4 billion) and €7.8

article thumbnail

Berkeley Lab releases 8th edition of databook on China’s energy and environment; finding the “missing” energy consumption

Green Car Congress

Compared to 2005-2006, it has probably doubled its presence. One chapter is devoted to international comparisons, allowing users a quick way to see how the nature of energy and economic activities differs from country to country. Like the United States, China has become among the world’s largest importers of oil, gas and coal.

article thumbnail

Georgia Tech study finds MD electric urban delivery trucks have cost advantages over diesel in some conditions; relative benefits depend on numerous factors

Green Car Congress

Although electric vehicles have been identified as a way to increase energy security and reduce air pollution, fleet operators may not see electric trucks as an attractive alternative to conventional internal combustion engine (ICE) trucks if electric trucks are not cost-effective. —Lee et al. equipment).

Georgia 268