Should current gasoline consumption levels persist and the blend level remain at 10percentt, demand at the nation's gas pumps would be inadequate to absorb the 15 billion gallons of ethanol that refiners are required to blend.
Lead was removed from gasoline because levels in blood were high.
High gasoline inventory levels and pricing pressures have been hitting refiners during the second quarter as the market will see when Valero Energy reports results on Tuesday.
Tuesday's warning from ConocoPhillips that weak fuel and gas prices combined with high gasoline inventory levels would drag on its quarterly results will likely portend similar stories to emerge from the industry during the upcoming earnings season.
Smith said gasoline inventory levels are their lowest in two years and crude oil has had two substantial draws in two weeks, leaving crude inventories below where they were last year at this time.
They could be achieved much more cheaply by raising taxes on gasoline to a level comparable to that of pretty much every other industrialized nation.
One attribute that may influence consumer decision making in selecting a fuel, whether an ethanol blend or conventional gasoline, is the level of emissions generated when using the fuel.
On other hand, no significant changes were found in norepinephrine and serotonin between the leaded or the unleaded gasoline, but dopamine level was lower in the unleaded gasoline than leaded gasoline groups.
