Engineers at GM have been working on a new diesel engine design they claim will shed up to $600 off the cost of a conventional engine as well as eliminate roughly two dozen parts. The new powerplant will spearhead GM’s revival of diesel powered passenger cars in the U.S. and will eventually make its way into a range of its cars and trucks.
The innovative engine works by reversing the flow of air and exhaust gases going in and out of the cylinder heads. This means that hot exhaust gasses can be transferred to a turbocharger in the gap between the cylinder banks.
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