Answer | Crossword Clue |
---|---|
BIOMASS | Natural fuel source |
PEATBOG | Natural fuel source |
GAS | Natural fuel |
COAL | Natural fuel |
BIOMASS | Natural material used for fuel |
ethane | a colorless odorless gaseous alkane C2H6 found in natural gas and used as a fuel |
propane | a heavy flammable gaseous alkane C3H8 found in crude petroleum and natural gas and used especially as fuel and in chemical synthesis |
gasolene | a volatile flammable liquid hydrocarbon mixture used as a fuel especially for internal combustion engines and usually blended from several products of natural gas and petroleum |