Although lithium-ion powered electric cars are gaining popularity, low energy storage densities and long charge times still make lithium-ion batteries a compromised energy source for light ground vehicles, a plainly impractical source for large trucks, trains or marine vessels, and a downright unusable source for all but the shortest-range aircraft. We need a better alternative. Transportation still needs energy-dense fuels and engines to burn them.

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AVS engines operating near-ideal cycles should reach 65% overall thermal efficiency at 1,000 K peak cycle temperature (no cooling required). If our technology is pushed up to 1,600 K peak temperature, 80-85% efficiency is possible. AVS also has the flexibility to maintain near-peak efficiency in any vehicle application, across any duty cycle. So AVS engines can repower the entire transportation sector and reduce fuel costs by almost half or in some cases by two-thirds. Like most turbine-type engines, AVS machines can run on any fuel, including biofuels or even hydrogen generated from renewable energy.

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