Booms, Busts, and Recoveries Message Board

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Strategies & Market Trends : Booms, Busts, and Recoveries

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To: Maurice Winn who wrote (64010)	5/20/2005 4:52:54 PM
From: energyplay	Read Replies (2) of 74559

Besides stoping the engine, the other big improvement comes from run it at optimum speed - that's when you get around 50%. Idling is really bad, and optimum efficency is probably around the RPM of the torque peak, but with a much lower than peak torque load. Hybrids have gasoline engines which run at a constant speed, except for maximum acceleration. After all the conversion to electricty and and back, they still get 50+ mpg highway. The new Ford Five Hundred has a continously varible transmission standard, the other option is a 6 speed auto. Actual Slagel is taking the no improvment since the 1930s, I'm saying moderate improvement (about 2:1 in 70 years), I suspect our actual positions aren't very different. The improvment rate is about 1% per year....;-)

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