Related topics: fuel · fuel economy

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.

Slashing plane emissions a lofty goal, but progress elusive

The aircraft industry is facing growing criticism over greenhouse gas emissions that are set to soar as more people take to the skies, but experts say game-changing technology for cleaner planes is still decades away.

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