TornadoRed
Top Post Dawg
- Joined
- Aug 3, 2003
- Location
- West Des Moines (formerly St Paul)
- TDI
- 2003 Jetta TDI wagon, silver; 2003 Jetta TDI wagon, indigo blue; 2003 Golf GL 5-spd, red (PARTED); 2003 Golf GLS 5-spd, indigo blue (SOLD); 2003 Jetta TDI wagon, Candy White (SOLD)
Top five fuel-saving technologies:
#5: Multistage oil pump, 1% fuel savings. Only pumps as much oil as the engine needs
#4: Continuously-variable transmissions and dual-clutch transmissions, 6-7% fuel savings.
#3: Active cylinder management, about 7.5% improvement in miles per gallon.
#2: Brake regenerations, 8% fuel savings. Recharges battery when car is braking or coasting, instead of using the alternator.
and......
#1: Clean diesel, producing a savings of 30-35%.
CNET's discussion of fuel saving technologies in the first story in this video compilation.
#5: Multistage oil pump, 1% fuel savings. Only pumps as much oil as the engine needs
#4: Continuously-variable transmissions and dual-clutch transmissions, 6-7% fuel savings.
#3: Active cylinder management, about 7.5% improvement in miles per gallon.
#2: Brake regenerations, 8% fuel savings. Recharges battery when car is braking or coasting, instead of using the alternator.
and......
#1: Clean diesel, producing a savings of 30-35%.
CNET's discussion of fuel saving technologies in the first story in this video compilation.