|SThis slide illustrates perhaps the largest factors
hindering U.S. light-duty vehicle efficiency improvements historically -- the
dramatic shift from cars to SUVs. Over
half the new light duty vehicle sales are now in the light-truck category.
|SEven though we are seeing some signs of interest in more
efficient vehicles, the share of light-duty trucks has not backed down.
|SThese trends point to continued robust gasoline growth.
|SBut could an interest in light-duty diesel-fueled vehicles
affect this growth?