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This Internal Combustion Engine is 50% More Efficient

Internal combustion engines in cars may be on their way out, but experts agree it will take a few decades before electric-powered vehicles become dominant. Meanwhile, the existing gas and diesel engines can be made more efficient and less polluting.  With a $9 million grant from the U.S. Department of Energy, a U.S.-based company is using an old technological concept to build a power train that is 50 percent more fuel-efficient and just as powerful as conventional engines. This...

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