The shine might have come off renewable energy in the last year, but new innovations about generating fuel from the craziest sources mean we have a lot of hope for more and more clean power in the future.
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Through the process of biorefining, Hong Kong’s Starbucks are experimenting with doing something other than throwing out their old coffee grounds. They’re turning them into biofuels.
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The end result of beer isn’t just a bad hangover, it’s also millions of tons of grain that gets thrown out. But a new company is making headway in turning all that after-beer into energy, and more.
People drink a lot of coffee, and that creates a lot of waste. But if that waste could be converted to power? Then one addiction (coffee) could help get us off our other (oil).
While still in the experimental stage, a new kind of battery can run off of discarded paper, producing electricity with only a little water as a by-product. Forget recycling, soon you'll power your home with yesterday's news.
It's not a joke. Coconuts--and not much else--are plentiful on the islands of Tokelau. So they're making good with what they have, and converting the entire region to solar and coconut biofuels.
In this extended version of the talk from our new issue, we speak with Marianne Wu, a partner at Mohr Davidow Ventures. "A lot of people assume that green biofuels mean higher prices or worse performance," Wu says. "That's changing."
