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Articles on Biofuel

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Tiny fuel cells convert sweat to electricity that can power sensors in electronic skin. Yu et al., Sci. Robot. 5, eaaz7946 (2020)

A smart second skin gets all the power it needs from sweat

Lightweight, flexible materials can be used to make health-monitoring wearable devices, but powering the devices is a challenge. Using fuel cells instead of batteries could make the difference.
An ancient form of energy: a wood pellet manufacturing facility in upstate New York. thewildcenter/flickr

Does bioenergy have a green energy future in the US?

The future of two key energy policies – the EPA's Clean Power Plan and Renewable Fuel Standard – will decide whether bioenergy will continue to grow in US or not.
The vivid pink pools of Western Australia’s Hutt Lagoon are the world’s largest algae farm. Steve Back (used with permission)

Sustainable oil from algae: the technology is ready, but what about the politics?

We have the technology to make oil from algae, rather than digging up crude oil from organisms that lived billions of years ago. But bringing it to market will take a force of economic and political will.
The Western Treatment Plant in Werribee, Victoria, largely powers itself using biogas – a by-product of sewage treatment. Jason Patrick Ross/Shutterstock

Biogas: smells like a solution to our energy and waste problems

Could what we flush down the toilet be used to power our homes? Thanks to biogas technology, Australia’s relationship with organic waste – human and animal excreta, plant scraps and food-processing waste…
Plants use photosynthesis to build molecules and energy they can use. By copying plants, humans can make cleaner fuels. Ranjit Bhatnagar/Flickr

To shift away from fossil fuels, we need to copy plants

Most of the energy that fuels our lives comes from plants. Whether it is a fossil fuel that was formed hundreds of millions of years ago or the food we eat, all carbon-borne energy has its ultimate origins…

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