State-driven emissions controls only slightly more expensive

Sometimes, doing things close to home may be more feasible than doing them on a grand scale, even if they cost a bit more. This may be the case for controlling carbon emissions, according to a team of researchers who looked ...

'Cool flames' ignited in space

A discovery has been made in Earth's orbit—steady spherical cool diffusion flames. Measurements in these flames could help improve the engines of the future.

Japan carbon pledge boosts hopes of ammonia backers

Japan's pledge to become carbon-neutral by 2050 is offering hope to industry heavyweights pushing ammonia as the fuel of the future—but critics say the corrosive gas is still far from a clear-cut clean energy.

Making biodiesel with green solvents

Green solvents for making biodiesel would reduce the environmental impact of such fuels still further. Writing in the World Review of Science, Technology and Sustainable Development, a team from India discussed the potential ...

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