For 40 percent better fuel economy, introducing the ... steam engine
Cower estimates that using this method could increase fuel efficiency of gas engines by 40 percent, and diesels 5 (because they're already more efficient). The best part is, this technology can be implemented using existing parts right now, instead of waiting for other technologies to mature. Cower is tight-lipped about details on his invention while he waits for an answer on his patent application, but does have a working prototype in the form of a single-cylinder, blistering 8 horsepower diesel engine, which he has dubbed the Steam-o-Lene engine (from gas-o-line, I assume). If he gets his approval, he plans on selling the technology to whatever automaker can implement it.
[Source: Popular Science via Instapundit]
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