An alternative heating system, developed by Darrell Bymoen, will use almost any type of available fuel including vegetable oil.

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Size: 3551px × 5305px
Photo credit: © Sheryl Savas / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: alternative, biodeisel, education, efficient, energy, energy-saving, fuel, heating, sustainable, system, tour, west