CDA 20
To every 100 gallons of alcohol of not less than 195 proof add:
- 2.0 gallons of unleaded gasoline; rubber hydrocarbon solvent; kerosene; deodorized kerosene; natural gasoline; heptane; ethyl tertiary butyl ether (ETBE); methyl tertiary butyl ether (MTBE), alkylate; naphtha; raffinate; high octane denaturant blend; straight run gasoline or any combination of these; or
- 5.0 gallons of toluene
CDA 20 is restricted to fuel use.
The ethanol may be produced from any natural or synthetic source.