Although designs of hybrids vary widely, all improve upon conventional gasoline vehicles. (peakoil.net)
To meet the 2025 target, the company is pushing all its technologies at once, including the Earth Dreams powertrain technology that improves the fuel economy of conventional gasoline vehicles by 10 percent. (scientificamerican.com)
I think all these hybrid technology is still in the crappy stage because these car should be designed to get at least 50 % more than the conventional gasoline vehicle. (hybridcars.com)