@Cycloptichorn,
Cycloptichorn wrote:
You're simply wrong about this. And the proof is in the fact that I can power an electric engine off of a Solar panel at somewhere around 80-85% efficiency. You'll never get that out of a diesel engine.
Do you have such a vehicle? How many passengers can it carry? What was its cost?
How do you calculate efficiency? I ask this because your comments suggest you don't understand the basic thermodynamic concepts involved.
Cycloptichorn wrote:
You can talk all you want to about the impracticality of such a design; it doesn't matter. That's simply denial on your part of the physics involved. The fact is that electric energy can be produced without the downsides you mention (losses using modern coal and gas generation techniques). Therefore, it is absolutely silly to blame the engine for the fact that our fuel generation sources are inefficient.
More nonsense and denial. You posited that an electrical vehicle powered from our electrical grid was more efficent than any internal combustion vehicle and used the comparative calculations in "Phoebe's musings" as proof. Her calculation assigned a 13.5% energy loss to the IC vehicle to account for the extraction, refining and delivery of the petroleum fuel, but none at all to the fossil fuel plant that produced the electrical energy used by the electrical vehicle. She did use a slightly high but otherwise realistic value for the losses associated with the generation of the electrical power in a coal or gas fired plant. Finally she compared the performance data of a four passenger, fully equipped Accura with a lightweight two passenger electrical vehicle with few power consuming accessories.
Solar and wind power involve much higher capital and operating costs per KW-HR actually generated than gas, coal or nuclear generation plants. That cost reflects the value of the materials, labor , and energy directly used in building and operating them: all ultimately involve the expenditure of energy. We don't presently have the excess power in our grid required for the widespread use of electric vehicles and we don't have the redundancy and coverage in our power grid to access renewable sources and meet this new demand. That too will require energy and cost.
Cycloptichorn wrote:
Still, after all this time and many posts, you have not spoken at all as to the energy necessary to extract and process oil into gasoline. You assume it is nothing, that the gasoline magically gets into the car. If this isn't true, then Please, explain how you calculate that energy cost.
Not true. I used Phoebe's data and the associated 13.5% energy losse, exactly as she (and you) posited it. You, however, appear to be asserting that electrical energy can be extracted from the sun or the wind with no expenditure of energy or cost whatever.