I don't know as I'd throw out either one. Even one high eff. PV on a sunny day would help.
Man, I almost called you in Conn./NY. You should have seen me in the parking lot at Shaws making fuel! -Weaver Michael Redler wrote: > > Mike, I agree and certainly wouldn't rule anything out, especially > with places like Berkley Labs developing PV with 50+ percent efficiencies. > > However, emerging energy storage technologies (like the supercap > technology mentioned by Kirk), suggest a quick "fill up" and puts into > question the need for any other on-board energy conversion > technologies (i.e. solar, liquid fuel/IC engines, etc.). > > I'd imagine that nearly every renewable and alternative energy > scheme being discussed is now a possibility since fast electrical > storage could turn our attention to stationary sources and not those > which necessarily need to be integrated into the vehicle. > > - Redler > > */Mike Weaver <[EMAIL PROTECTED]>/* wrote: > > But it would add a huge degree of efficiency, > > If the funds were there I'd enhance the battery back and include > capacitors. My noodling was with an old Isuzu Trooper - lots of > room up > top for panels, and a lot of sre room to tinker. > > Here's one person's expiriment: > http://www.treehugger.com/files/2005/08/solar-powered_t.php > > Kirk McLoren wrote: > > > The photovoltaics are non essential. In fact it is arguable that > non > > concentrating cells are not a viable renewable enrgy source. > > The diesel on the other hand is the obvious answer and it is odd > the > > hybrids are gasoline. > > The battery bank would be better replaced with supercap technology > > such as Skeltons (in prototype phase) but in the meantime we > will have > > to muddle through. > > Kirk > > > > */Ron Peacetree /* wrote: > > > > Back on the actual subject listed as the topic of this thread... > > > > A little digging has convinced me that a diesel-electric hybrid w/ > > photovoltaic cells on the the hood/roof/trunk could easily be the > > basis for vehicles that could completely replace the traditional > > gasoline/diesel based ground/water vehicles currently in use at > > acceptable levels of performance, economy, etc. > > > > (Air travel vehicles operate under more stringent constraints that > > I'm not sure this "diesel/electric w/ PV assist" power supply idea > > could satisfy.) > > > > A rotary diesel motor could supply as much as 2HP / liter; perhaps > > more if optimized for constant rpm. > > > > The battery problem should be solved by using fuel cells since > > they provide far more energy per unit weight. > > Until fuel cells are available, there are many new ideas for > > increasing even the efficiency of the "standard": the lead-acid > > battery (spin off company from Case or John Deer that gets ~2x the > > power/weight out of lead acid batteries IIRC?) that could fill in. > > For applications not as economically constrained, the "exotics" > > like Li-ion are of course an option. > > However, fuel cells seem to best any battery technology I've > heard of. > > > > PV cells of as high as 42% efficiency are now reality; and I'm > > told by people in the that business that mass production would > > _significantly_ reduce their costs. > > > > This is a recipe for, say, a car, that fits all the constraints a > > normal consumer would have... ...and gets 100-200mpg while doing it. > > > > With these kind of fuel efficiencies and a little common sense as > > to what crops to use as the basis for biodiesel (ultimately I > > would think that a crop bred/engineered to be specialized for > > bio-diesel production would be the best solution...), the amount > > of farmland required for growing the crops needed to produce the > > biodiesel needs of a country would be _far_ less than any of the > > current estimates. > > > > Doing this would not only be "green" and conserve our petro-diesel > > resources for uses that so far they are the only unique source > > for, such as certain plastics and medical products, .... > > > > It might also help Us avert the continuing escalation of violence > > in the Middle East that seems to be at the moment the most likely > > cause of WWIII. > > > > Where do I sign? And how do We get "our leaders" to pursue what > > seems to be an eminently logical course of action for anyone who > > loves their children and their planet? > > > > Ron Peacetree > >------------------------------------------------------------------------ > >_______________________________________________ >Biofuel mailing list >Biofuel@sustainablelists.org >http://sustainablelists.org/mailman/listinfo/biofuel_sustainablelists.org > >Biofuel at Journey to Forever: >http://journeytoforever.org/biofuel.html > >Search the combined Biofuel and Biofuels-biz list archives (50,000 messages): >http://www.mail-archive.com/biofuel@sustainablelists.org/ > > > _______________________________________________ Biofuel mailing list Biofuel@sustainablelists.org http://sustainablelists.org/mailman/listinfo/biofuel_sustainablelists.org Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Search the combined Biofuel and Biofuels-biz list archives (50,000 messages): http://www.mail-archive.com/biofuel@sustainablelists.org/
