Article: Equipment companies split over biodiesel's impact

Biodiesel makes Pete Kosky nervous.

The vice president of Star Rentals, which leases heavy construction equipment to many large Portland contractors, likes the idea of an alternative, home-grown fuel, but he's unsure what running the vegetable-oil-based fuel in his expensive equipment may do to the engines.

"My thought on biodiesel is that it is something that offers a great advantage environmentally," Kosky said. "My concern is that, in an effort to move this faster, it's going to create a situation where people are going to use biodiesel in equipment" before the engine is technologically ready to handle it.

Citing biodiesel's uncertain long-term effects on diesel engines, engine ...

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