Biofuel
Combustion
Biodiesel
NOx
Environmental science
Greenhouse gas
Brake specific fuel consumption
Fuel efficiency
Fossil fuel
Diesel fuel
Ignition system
Renewable fuels
Biomass (ecology)
Internal combustion engine
Waste management
Automotive engineering
Engineering
Chemistry
Ecology
Biochemistry
Oceanography
Organic chemistry
Geology
Biology
Aerospace engineering
Catalysis
