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tailpipe emissions

Feds Praise Automakers’ GHG Emissions, Fuel Efficiency Progress

Yesterday federal agencies launched a mid-term review of the Obama administration’s emissions and fuel efficiency standards for passenger cars and light trucks — standards that aim to double these vehicles’ fuel economy to 54.5 miles per gallon and cut GHG emissions in half by 2025. The Obama administration says this … Read more »

car exhaust

Transportation Is No. 1 Source of Carbon Emissions. What Can Corporate Fleets Do?

The transportation sector is now the biggest contributor to US carbon dioxide emissions, beating the power sector, which has long-held that dubious distinction since 1979, according to the US Energy Information Agency (EIA). While the difference is small — 32.1 for transportation versus 31.7 percent for power plants — it … Read more »

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