'In 1998 the magazine told of efforts to liquify this "cleanest of fossil fuels" for use in cars'
natural gas
SCIENTIFIC AMERICAN: In 1998 the magazine told of efforts to liquify this cleanest of fossil fuels for use in cars
In 1998 the magazine told of efforts to liquify this "cleanest of fossil fuels" for use in cars
In 1998 the magazine told of efforts to liquify this "cleanest of fossil fuels" for use in cars
SCIENTIFIC AMERICAN
natural gas
SCIENTIFIC AMERICAN