Biofuels

Displaying 1 - 20 of 61 articles

A White House proposal to tax crude oil would address the U.S.’s perennially underfunded highway maintenance program. scottummy/flickr

How should America fund its highways in the 21st century?

Obama's proposal to add $10 tax to crude oil raises the thorny question of whether the U.S. can continue to fund its highway infrastructure with a fuel tax that hasn't changed since 1993.
Before there was E10, in the 1970s there was ‘gasohol,’ another name for gasoline that had been blended with ethanol. eklektikos/flickr

Corn ethanol: the rise and fall of a political force

Ted Cruz opposes subsidies for biofuels and still managed to win in ethanol-friendly Iowa. Is corn ethanol starting to lose its political clout?
An excavator clears land for a palm oil plantation in southern Sierra Leone for a Lichtenstein-based a company. Such projects are criticised by some as ‘land grabs’. Reuters/Simon Akam

How a project with good aims delivered bitter outcomes in Sierra Leone

International development banks are supposed to ensure adherence to human rights in the projects they fund. Instead, their practices provide fertile ground for human rights abuses.
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.
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…

Vibrations enhance spinach photosynthesis

Molecular vibrations play an important part in enhancing photosynthesis, researchers from the University of Michigan have…
CSIRO is contending with a A$111 million hit to its budget over four years. Bidgee/Wikimedia Commons

CSIRO risks backing the wrong horse as it reacts to budget cuts

What happens to CSIRO when the federal government decides to strip away A$111 million over four years from its A$733 million annual contribution to the organisation’s budget? We are beginning to find out…
From tree to biofuel in few steps. University of Wisconsin-Madison

Green combination helps turn wood into biofuels

Turning wood and agricultural waste into biofuels is one step closer to being a truly green process, according to a recently published study in the journal Science. James Dumesic of the University of Wisconsin-Madison…
Touch of salt needed, I think. Heng Sinith/AP

Improving cookstoves will help save lives - and the planet

Around three billion people in the world, largely in developing countries, rely on fuels like wood and charcoal for cooking and heating in the home. But burning these biomass fuels, not least in confined…
Show me the green: Tetraselmis suecica algae viewed under a confocal microscope. Emily Roberts/Swansea University

The next ‘black gold’ could be green

Leave a glass with nutrient-rich pond water on a sunny window sill and within a day or two it will have turned a very vibrant, verdant green. This apparent alchemy has less to do with chemistry and more…

Top contributors

More