Cars and Climate

Components of the biofuel carbon offset. The gross offset comprises the whole pie; the net induced offset is highlighted in blue. Based on s...

Several years ago I did a post entitled " When do biofuels really balance carbon? " At issue is the belief that biofuels are inher...

CO 2 reduction from EVs compared to CO 2 emissions increase from higher light truck sales, light-duty fleet average changes from 2012 thro...

When Congress and the Bush Administration expanded the Renewable Fuel Standard in 2007, they set next year as the target for a full-scale bi...

Actual U.S. production of cellulosic ethanol and other cellulosic liquids compared to the targets for cellulosic biofuels specified in the R...

The Biden Administration is clearly making good on its pledge to revisit the automobile GHG emission standards weakened by the previous admi...

For at least the next decade, the overall fuel economy of the entire car and light truck fleet will be more crucial for climate protection t...

Excess carbon dioxide emissions from the rising popularity of light trucks, such as the Ram pickup, swamp many times over the potential carb...

My opinion piece published in The Detroit News points out the inconsistency of how some automakers have advocated for weaker fuel economy ...