| 1. | Then gasoline engines, which are more efficient at higher speeds, kick in.
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| 2. | Tailpipe carbon dioxide emissions are half those of a comparable gasoline engine.
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| 3. | They looked at everything from the Sterling engine to direct-injection gasoline engines.
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| 4. | Other times, the electric motor boosts the power of the gasoline engine.
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| 5. | But a hybrid uses the batteries only to supplement a gasoline engine.
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| 6. | You have to listen hard to hear the gasoline engine kick in.
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| 7. | But diesel engines are noisier and produce more soot than gasoline engines.
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| 8. | Companies are getting ever more power out of cleaner, regular gasoline engines.
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| 9. | He also developed and constructed a large gasoline engine for his dirigible.
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| 10. | Automatic transmissions are only available on Japanese built models with gasoline engines.
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