Illegal. Its not taxed or regulated for use as vehicle fuel and its use comes with hefty fines.

EDIT: Never thought I'd reference Yahoo for anything.. but here:
http://answers.yahoo.com/question/index?qid=20071101123200AAJ94Gb

EDIT AGAIN: Pretty sure I was thinking of agricultural/industrial diesel, not heating oil. Either way, they're not the same thing.

Last edited by geocrasher; 10/07/12 06:18 AM.
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