DETROIT – For a net investment as low as $50, auto makers can realize a 60% improvement in fuel economy without compromising performance, claims International Rectifier (IR). Using a Volkswagen Golf as his guinea pig, IR CEO Alex Lidow outlines a blueprint for change. Starting with a 1.2L 3-cyl. engine instead of the car’s stock 2.0L 4-cyl. powerplant, immediate savings of $150 are realized and fuel economy increases to 36 mpg (6.5 L/100 km) from 29 mpg (8 L/100 km). But ...

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