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Nissan to use mirror bore process on new 2.5L engine for Altima; highest volume application of technique

Green Car Congress

The leeway gained can go towards increasing fuel economy and engine power. Water is applied during this stage is intended to keep the machinery and metals at optimum temperatures and reduce friction. In the second stage, a special drill bit is used containing tiny bits of diamonds that were unfit for jewelry. The new 2.5L

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Cadillac launches new V-6 family; 3.0L Twin Turbo w/ cylinder deactivation and stop/start for CT6

Green Car Congress

Twin Turbo is the only six-cylinder engine to combine turbocharging with cylinder deactivation and stop/start technologies to conserve fuel. Cadillac expects the combination to enhance fuel economy by up to an estimated 6%. is up to 4 dB quieter than the Infiniti 3.7L supercharged V-6 (310 hp and 103 hp/L). V-6, GM said.

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