Heard At The Show: Snippets from SAE 2009 World Congress
Green Car Congress
APRIL 30, 2009
For every kJ of chemical energy in the fuel for a spark ignition internal combustion engine, 73 % is sacrificed to chemical and thermal losses. Breaking out the 22%, aerodynamic losses account for 39%, tire resistance is 25%, transmission and drivetrain 20%, accessories 12% and bearings 3%. Alexander Edwards, President, Automotive Strategic Vision believes the exodus from full size SUVs was caused by economic caution as much as higher gas prices. Cash for Clunkers.