Electrically driven cars are the future. But until we have cheap, 1000-mile batteries, we still need range-extending fossil-fuel engines.
Those devices don't need to turn wheels, just generate juice. The simple solution is to strap a generator to a piston engine, as BMW did with the two-cylinder range extender in its i3 EV.
But if the engine never turns a wheel, there's no need for it to rotate anything. Why not cut out the middleman and use the piston's reciprocating motion to generate electricity? That obviates camshafts and most other rotating parts, too.
Toyota recently showed a prototype engine that does just that.It's called the Free Piston Engine Linear Generator (FPEG). "Free" refers to the fact that the piston isn't attached to a crankshaft; instead, as the piston is forced downward during its power stroke, it passes through windings in the cylinder to generate a burst of three-phase AC electricity.
At any given moment, the sun bathes the earth in enough solar energy to power the world 10,000 times over. Capturing and converting that energy into usable electricity presents major technical challenges.
Paul Epping's insight:
The effect of stymie growth of solar energy will be that the systems will improve (more powerful) and in the end ... cheap and clean energy will survive, not the 'oil-lobby'.
The Nation Energy management as a corporate strategy The Nation Any company that values sustainability and long-term growth should consider developing a corporate energy management strategy. Not only is ...
Do you live in France? If you're getting a new house, you might have to follow this incredible, sustainable law. A new law that was passed that mandates that new buildings in commercial lots need to have either plants or solar panels on the roof. Having a garden on your roof sounds like a paradise, one that's…
”Agricultural research for development is the engine that drives innovation”- Frank Rijsberman, CEO, CGIAR Consortium at the Global Forum for Innovations in Agriculture, Abu Dhabi, February 3, 2014. We have all seen the alarming ...
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