An HVAC system powered by an 18-wheeler's exhaust. Semitruck drivers idle their engines to heat or cool their vehicles' cabs--a practice that burns a billion gallons of fuel each year. Small engines on the back of a cab, called auxiliary power units (APUs), get the job done with less fuel, but they're loud and smelly. A team of five Ontario-based engineers and mechanics has devised what may be a better solution: an APU called HYPER that runs on waste heat. The group originally formed to build a ...
An HVAC system powered by an 18-wheeler's exhaust. Semitruck drivers idle their engines to heat or cool their vehicles' cabs--a practice that burns a billion gallons of fuel each year. Small engines on the back of a cab, called auxiliary power units (APUs), get the job done with less fuel, but they're loud and smelly. A team of five Ontario-based engineers and mechanics has devised what may be a better solution: an APU called HYPER that runs on waste heat. The group originally formed to build a ...
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