Subject
automobile
3
automotive fuel
3
fuel cell
3
Engineering
2
battery
2
electric battery
2
electric vehicle
2
energy carrier
2
fuel substitution
2
Cogeneration of electric power and heat.
1
Environment.
1
Fossil fuels.
1
Heat engineering.
1
Heat transfer.
1
Mass transfer.
1
Mechanical engineering.
1
Renewable energy sources.
1
Thermodynamics.
1
energy conversion
1
ethanol
1
gas
1
hybrid system
1
methanol
1
natural gas
1
propulision
1
propulsion
1