Related topics: fuel · fuel economy

Estimating the environmental impact of Bitcoin mining

As an alternative to government-issued money, the cryptocurrency Bitcoin offers relative anonymity, no sales tax and freedom from bank and government interference. But some people argue that these benefits have an enormous ...

Shipping firms look to sail into the future

Global shipping firms under pressure to cut carbon emissions are experimenting with an age-old technology: sails to harness ocean winds and reduce reliance on costly fuels.

A 127-year-old physics riddle solved

He solved a 127-year-old physics problem on paper and proved that off-centered boat wakes could exist. Five years later, practical experiments proved him right.

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