Book excerpt: CONVERT TO BIODIESEL FOR A MORE ENVIRONMENTALLY FRIENDLY RIDE Run Your Diesel Vehicle on Biofuels has everything you need to make the switch from expensive, environment-damaging carbon fuel to cheap (and, in many cases, free), clean fuel for your vehicle. Practical and decidedly apolitical, this unique guide focuses on technical details, parts, and instructions. Inside, you'll find step-by-step instructions accompanied by helpful illustrations for such projects as building and properly using a homemade biodiesel reactor, which enables you to drive you car on vegetable oil purchased at a fraction of the price of gas or even on second-hand oil obtained from restaurants free of charge. Run Your Diesel Vehicle on Biofuels also includes a list of international parts suppliers and various manufacturers' warranty statuses regarding vehicles converted to biodiesel. Projects include: Collecting waste oil Building a waste-oil processor Creating biodiesel fuel Converting your car to professional standards Constructing heat exchangers Run Your Diesel Vehicle on Biofuels covers: • History and functions of the diesel engine • Benefits of biofuel • Where to obtain raw ingredients • Theory of fuel conversion • Existing conversion kits o Blends, emulsions, and thinners • Processing and discarding waste oil • Laws and regulations • Green retail o Health and safety • Limitations of environmental benefits