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According to a series of articles published in Nature, the world has too many PhDs and not enough academic jobs to sustain them. Researchers point out that it is either time to make changes in the system or eliminate it altogether.

The Deakin University invention uses waste heat to reduce friction by warming the engine oil. A prototype has been built and tested and the inventors are now talking to the car manufacturers and developing an aftermarket conversion kit. The system, which can be retrofitted, works by diverting waste heat to bring engine oil up to its optimal operating temperature. It was developed by researchers at Deakin University led by Mr Frank Will of the School of Engineering during his PhD project.