But research and innovation always bring change, for real! "Now researchers at the University of Maryland have made a fuel cell that could provide a far more efficient alternative to a gasoline generator. Like all fuel cells, it generates electricity through a chemical reaction, rather than by burning fuel, and can be twice as efficient at generating electricity as a generator that uses combustion."
"The work is part of a larger U.S. Department of Energy effort, over the past decade, to make solid-oxide fuel cells practical. The first fruits of that effort likely won't be fuel cells in cars—so far, Wachsman has only made relatively small fuel cells, and significant engineering work remains to be done. The first applications of solid oxide fuels in vehicles may be on long-haul trucks with sleeper cabs." Source: technologyreview.com - Gasoline Fuel Cell Would Boost Electric Car Range
A fuel cell has the ability to extract more energy out of gasoline, diesel or natural gas, compared to the meager 25% efficiency of internal combustion engines. The functioning is also dependent of the purity factor of the used liquid fuel, which is less important in conventional engines. A higher temperature in exploitation will render a greater energy density, but this will add an extra toll on the materials casing the cell. This is why fuel cells aren't used to power vehicles, so far.
And now follows the final political punchline: "Giving up its gasoline addiction by designing electric cars that need - gasoline."