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energy efficiency

World news about “energy efficiency” published by euronews.

HI-TECH | 26/06 14:39 CET

What the Elf is this – bike or car?

What the Elf is this – bike or car?

Could an original-looking tricycle developed by an American inventor in North Carolina be the ==commuter's dream vehicle==? According to its developers, the Elf is the future of sustainable transportation. Part bike and part electric vehicle, it has a gear system designed to…