Color-changing sparks

Sparks are a fascinating phenomenon well-known from campfires, flint stones and electric sparklers and other pyrotechnic articles. Looking at sparks more closely reveals the limited colors in which they appear. Dark red-orange ...

Electric shift prompts belt-tightening for German carmakers

German carmakers are increasingly turning to electric vehicles to master tough new emissions limits looming in the EU, but the shift away from internal combustion engines will entail years of lower margins and profits, cost ...

Digesting hydrocarbons

Volatile organic compounds can be found in the air—everywhere. A wide range of sources, including from plants, cooking fuels and household cleaners, emit these compounds directly. They also can be formed in the atmosphere ...

Detroit show has SUVs, horsepower, but electric cars are few

Automakers have promised to start selling hordes of electric cars in the next few years, but only two will be unveiled at the big Detroit auto show that kicks off this week—and those aren't even ready for production.

More belt-tightening at VW to fund electric new start

German car giant Volkswagen said Thursday it is looking for three billion euros ($3.8 billion) in new savings to help fund its pivot towards electric vehicles, adding that it could not rule out job cuts.

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