Cars That Think
MAY 17, 2023
Like fighter planes, military drones started cheap, then got expensive. Unlike the fighters, though, they got cheap again. But for the most part, the price is right: China’s DJI Mavic 3 , used by both Russia and Ukraine for surveillance and for delivering bombs, goes for around $2,000. That’s not cheap, except by U.S.
Cars That Think
FEBRUARY 28, 2022
For natural gas, it is the world’s second largest producer , behind the United States and ahead of Iran, and its largest exporter. The continent was mostly powered by locally mined coal until the 1950s, when imports of cheap Middle Eastern oil started transforming the energy picture.
Green Car Congress
AUGUST 16, 2009
CO 2 conversion to hydrocarbons over catalysts has been known for several decades but has been shown very little research and development attention, as other technologies have been much cheaper and efficient in yielding cheap oil. Conversion of CO 2 into methanol in a novel two-stage catalyst bed concept.
Tony Karrer Delicious EVdriven
APRIL 21, 2009
Cheap to run but expensive to buy, they offer theprospect of low or zero carbon emissions, but manufacturers won’t sell themunless motorists want to buy them – and motorists won’t buy unless the priceis right and there are enough places to charge the batteries. Walkout at UN conference after Iran.
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