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New system to recycle idling trucks wasted energy

Sunday - June 18, 2017 4:36 pm , Category : SCIENCE & TECHNOLOGY
 New system to recycle idling trucks  wasted energy
New system to recycle idling trucks wasted energy

Toronto June 18 (IANS) Researchers have developed a system for service vehicles that could reduce emissions and save companies and governments huge sums of money per year in fuel costs.

In a study published in the journal Energy the researchers described a way to capture waste energy from service vehicles such as buses or refrigerated food delivery trucks as they slow down.

They also figured out how to use that energy to replace the fossil fuels that are currently needed to operate secondary systems such as air conditioning or refrigeration units when the vehicles are stopped and idling.

An idling vehicle essentially operates at five per cent efficiency meaning the vast majority of the fuel a bus or delivery truck uses when it is stopped is being wasted said the study s lead author Amir Khajepour Professor at University of Waterloo in Canada.

By harnessing the energy a vehicle wastes as it is slowing down and redirecting it to a secondary battery system these vehicles can be turned off without shutting off systems such as refrigeration and air conditioning units Khajepour added.

As part of the study the researchers examined the various driving braking and idling patterns of service vehicles.

Using computer models and engines hooked up to secondary battery systems in their lab they then simulated the routes service vehicles followed to determine how best to collect and use waste energy.

The research focused on service vehicles because unlike passenger vehicles they have significant auxiliary power needs for systems like refrigeration which account for a significant portion of the vehicles total fuel consumption.

Given that most companies or governments cannot afford to transition their entire fleets over to cleaner vehicles all at once this system could represent a cost-effective way to make current vehicles more fuel efficient in the short term Khajepour said.

--IANS
gb/vt

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