Discussion on:

Restaurants use waste oil for power generation

Read about this a few years ago... glad to see they're still around and moving forward with it. I guess you can call 12 units (in the wild) a success? Hopefully this catches on. Would like to see a contract with a major chain; McD's, Yum restaurants, Red Lobster? etc.

What did he do to dispose of the oil before this?

I agree it is good for him to save money for his company in an environmentally friendly manner, but you really cannot claim it is helping the environment MORE if he is substituting a business cost savings for another method of sustainable reuse?

Depending on the area of the country, WVO is landfilled, processed and sold as animal feed additive, converted to biodiesel, burned in cargo ships with their bunker oil, or sold to cosmetics and soap companies.

The advantage this product has is that besides offering a cost savings, it reduces electrical/nat gas consumption, and it prevents the use of gasoline for the transportation of the WVO. If this device is even moderately efficient and clean burning, it is more sustainable use of the WVO than the alternatives.

I remember long and painful discussions about the subject matter in Europe several years ago when legislation was passed to ban what is still possible in the United States. Europeans have to give waste oil to the public waste collectors to allow for recycling simply because it was found that private re-use as here may cause the release of dioxine into the air, which would be a real health hasard. When doing so, never use recycled and be very careful with processed oil to avoid the problem.

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The problem I see with vegawatt tech is that its not efficient as a business process. It makes far more sense to have a collection company process it and sell in bulk than to try to operate used cooking oil as a cottage industry.
http://www.hulseyenvironmental.com/commercial-industrial/yellow-grease/