Tagged: vehicle emissions

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Beijing creates smog squad

City officials have created a new environmental police squad in an effort to tackle Beijing’s persistent smog problems. The city was under an orange alert last week, the second-highest warning level in China’s four-tiered...

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Bad news for biofuels

A new study from the University of Michigan has found that biofuels increase, rather than decrease, carbon dioxide emissions. The findings challenge the widely held assumption that ethanol, biodiesel and other biofuels are inherently...