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The first motorcycle, Motrice Pia, was built in Italy, it had .24 horsepower Museonicolis Image
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Benz Patent Motorwagen with .66 horsepower Image Daimler.com
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The first affordable autombile, the Model-T with 22 horsepower Image History.com
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Fuel injection replaces carbeurators Howstuffworks Info
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Dual overhead camshafts replace pushrods, further controlling airflow into the engine, increasing fuel-burning efficiency. camshaft info Image
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The modern version of fuel injection, mixes in engine, not intake manifold Howstuffworks Image
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The first mass production of Hybrid cars, the first being the Honda Insight with 61-70 mpg Image Hybrid Cars
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Aluminum engines are half the weight of cast iron Shelmetcastings Image