Are Backyard Ethanol Brewers an Answer to High-Priced Gas?Posted: 3 months ago by AutumnLotus A company banking on drivers' weariness of skyrocketing gasoline prices unveiled a home refinery device on Thursday offering another option: ethanol. E-Fuel Corporation says its EFuel100 MicroFueler can produce up to 35 gallons (132 liters) of ethanol a week that consumers can pump directly into their cars and trucks. Comments: 4 Score: [-] 415 [+].