CO2 emissions down from 2008 to 2009

According to a recent analysis of US Environmental Protection Agency carbon dioxide (CO2) data for 2008-2009, there has been an overall CO2 improvement of 2.8 per cent across all US cars and trucks.
The analysis, by JATO Dynamics, summarised volume-weighted average CO2 by make, model and segment with David Mitchell, president of JATO Dynamics Americas, suggesting [...]
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