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Electric Cars: The Environmentally Friendly Way of Losing Money Since 2009

Chris from Kalifornia Wrote: Dec 07, 2012 6:53 AM
A good hybrid might be something with a small diesel electric generator designed to run at constant speed for maximum efficiency with battery for acceleration and hills. Regenerative braking as well will help and only run the engine when the battery needs charge. An on/off constant speed engine is much more efficient than a variable speed engine. That's why the number of transmission gears keeps increasing. So a proper electric car has it's own generating station on board. Trying to run a car on just a battery is a fool's errand.
Ron781 Wrote: Dec 07, 2012 9:18 AM
Cars demand energy to overcome air drag, tire rolling friction, acceleration and to gain altitude and for electrical accessories. It does not much matter how the power gets to the wheels if the expected performance is what we have now. Cost of travel when the performance is the same is due to overall effiicency of the supply system and fuel cost. A series power train engine-generator-battery-motor will always be less efficient than engine alone. Oh and it cost more, duh.
Chris from Kalifornia Wrote: Dec 07, 2012 9:28 AM
Tell me then, why do trains run them? They don't use transmissions and I believe they only use batteries to start the engines. The battery could give the acceleration and hill climbing ability we are used to, the motor/generator recharges it while driving at steady speed and is shut off when the battery is charged, The efficiency is in the small engine needed to maintain the charge. Some would buy one if it were sufficiently economical to build. Less parts means it should cost less.
Bernard83 Wrote: Dec 07, 2012 10:31 AM
Diesel electric locomotives exist not because they are efficient but because of the problems of transmission problems with the massive torque required to pull a train. Specifically the clutch problem. And the massive gears and shafts and bearings all have to be considered along with maintenance.
AZhot Wrote: Dec 07, 2012 7:44 AM
Let's just let the Marxicrats have their way and all move into centrally located crime ridden high-rise ghettos with 'convenient' public transportation peppered with graffiti and gangs. Ah utopia!
tkdblk Wrote: Dec 07, 2012 9:17 AM
Yes, just look at all those wonderful scenic photos of PyongYang, North Korea!

A Congressional Budget Office report released in the fall tells Obama what the rest of us have known for some time: Your bet on electric cars wasn’t an investment, but a gamble; a dumb gamble.

And now you’ve just come up snake eyes.

“Despite the federal government pumping $7.5 billion into the electric vehicle industry in the United States through 2019,” writes the CSMonitor.com, “overall national gasoline consumption is unlikely to be significantly affected, according to a report released by the Congressional Budget Office (CBO).”

The CBO says that even if Obama increased the amount of the subsidy, it...

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