HOLYOKE, Mass. (WWLP) - Do you prefer grease or gas?

Until recently, vegetable oil was reserved for cooking. Now, a growing trend can have you pouring it in your car. "When fuel prices are high, you can save hundreds of dollars a month," said Justin Carven of Greasecar Vegetable Fuel Systems in Holyoke.

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Greasy Rider documentary DVD

This independent documentary by Joey Carey and J.J. Beck chronicles their journey across the country in their 1981 Mercedes Greasecar. Greasy Rider follows the two filmmakers as they meet with fellow Greasecar drivers, friends, critics and members of the emerging SVO community.

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