Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
These include renewable gasoline and diesel, isooctane, isobutanol, sustainable aviation fuel, renewable natural gas, isobutylene, ethanol, and even animal feed and protein.