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Latest United States emission standards Stories

Courts Sides With EPA Over Pollution Limits, Fuel Efficiency Standards
2012-06-28 05:30:07

A federal appeals court this week upheld the EPA's ability to limit greenhouse gas emissions and to set the 2012-16 fuel efficiency standards for automobiles.


Word of the Day
pawl
  • A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.
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