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"  At the 2007 Frankfurt Motor Show next month, Mercedes-Benz will officially pull the wraps off its DiesOtto engine design. The engine uses every known weapon in the company&amp;#039;s techno arsenal, including an eccentric crankshaft, variable compression ratio (from 7:1 to 14:1), variable valve timing, variable valve lift, direct gasoline injection and twin turbocharging. Under most conditions, this gasoline engine uses compression ignition like a diesel\u2014then spark ignition takes over at higher speeds and higher loads. With all these technologies working together, a 1.8-liter, 4-cylinder engine can make 241 hp and 296 lb.-ft. of torque, and accelerate a large luxury car such an S-Class from 0-62 mph in 7.5 seconds while emitting very few NOx emissions or CO2. Sounds like the best of all worlds to us: performance and efficiency. \u2014Jim McCraw Stay tuned next month to PopularMechanics.com for live first looks at brand-new cars from the No. 1 German auto show! "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.popularmechanics.com/cars/a2044/4220723/>