Quote:
Originally posted by notfarnow
Nice thing about biodiesel is it can come from many sources... waste cooking oil, fish oil from fishery operations, soy, canola etc.
It's a great way to make use of waste products, but from what I've read, growing plants for biodiesel isn't feasible from an economic or environmental perspective.
Downside to biodiesel is gelling in cold weather. Up here in Canada, you'd be hard-pressed to run more than b25 without modifying your fuel system to add some heat.
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One of the biggest obstacles for biodiesel is the fact that two handling systems for the required plant oil will have a difficult time co-existing. Food grade oil is handled with a certain required level of cleanliness that fuel grade oil does not require. Since only the food grade handling system exists today, and without deregulation to permit a fuel grade system, there is a cost disadvantage to plant oil for fuel.