Here's a discussion thread with links to graphs of the gm/kWh for a few diesel engines. It changes based both on engine RPM and engine throttle position. The VW TDI is one of the best small engines from what I understand, peaking at under 200 grams/kWh.
http://www.vwdiesel.net/phpBB/viewtopic.php?t=649&start=13 Zeke On 9/13/05, Kirk McLoren <[EMAIL PROTECTED]> wrote: > The fuel efficiency of an engine is not a constant. At high throttle > settings economy is sacrificed for power. ie the grams of fuel used per > horsepower hour increases. That is why infinite ratio transmissions would be > worthwhile. And ideally - lossless. > > At low loads the fixed burden of the engine becomes significant. Most > diesels look best around 70% of design max. > > Kirk > > > Greg and April <[EMAIL PROTECTED]> wrote: > > > > True or False > > Underpowered vehicles can be just as inefficient as overpowered vehicles. > > Why or why not? > > > > Greg H. > > > > _______________________________________________ > 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/ > > > > ________________________________ > Yahoo! for Good > Click here to donate to the Hurricane Katrina relief effort. > > > _______________________________________________ > 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/