powered

Similarly, I think saying both 'the sun is powered by gravity', 'the sun is powered by hydrogen' and 'the sun is powered by fusion' is reasonable.

It's less common, but certainly not wrong, to say a car is powered by combustion.

It's also common to say a car is powered by its engine.

It's common to say a car is powered by fuel.

Yes, battery electricity is cleaner even if it comes from coal, compared to the energy given by gas in gas-powered cars.

If your answer is natural gas, or oil powered generators, then no, there isn't a price point where it will break even.

We also create demo products and applications powered by our API, such as NewsBot.

We all are the ones killing the planet with our wasteful battery-powered watches.

There are probably real elements in it (likely the author does use a solar-powered NUC as his dev machine), which are then extrapolated ad absurdum.

Plus your equipment could foul/breakdown Partial solution: solar powered pumps.

The New York Subways are partially powered by Canadian hydroelectric.

There's the Tessel, a JS-powered hardware platform similar to Arduino.

Sergio Marchionne had a funny thing to say about the $32,500 battery-powered Fiat 500e that his company markets in California as “eco-chic.” “I hope you don’t buy it,” he told his audience at a think tank in Washington in May 2014.

Search I believe will become less dominated - I'm really happy to see the rise in popularity of things like DuckDuckGo, but I wouldn't be surprised if as others have said, device-linked services such as "Search" on iOS/OSX or Microsoft powered devices, where they hook into a variety of services directly to provide common answers.