e.g.
Diesel
Bio-Diesel
ethanol
Bio-ethanol
electric
compress air
Hybrid(I think CUHK IOHEV is good, because it use in-wheel motor)
H2
and more....
Diesel
Bio-Diesel
ethanol
Bio-ethanol
electric
compress air
Hybrid(I think CUHK IOHEV is good, because it use in-wheel motor)
H2
and more....