eco engine six stroke piston charger for alternative fuels/hybrid

a piston charger is charging one or more working cylinders
and simultaneously regulating the inlet and outlet aperture
leading to no loss of air and fuel in the exhaust.in the main
cylinder combustion takes place every turn,lubrication like a
four stroke,compact,high torque,power,less fuel consumpt.
Duration : 0:3:49

Biodiesel, Straight Vegetable Oil, and Hybrid Cars

A video from late 2002 about hybrids, biodiesel, and straight vegetable oil, featuring members of biodieselnow.com
Duration : 0:6:20

Alternative Fuels and Hybrids

The Best from the 2006 New York International Auto Show! Alternative fuels and hybrid vehicles are more important than ever. Get an inside look at the features and vehicles Honda, Mercedes, Chevrolet, Toyota, and Nissan are introducing in this category.
Duration : 0:4:57