Page 13 - 高考试题分析(2026年版)英语
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thing, it faces particular problems with transportation—which accounts for
about a quarter of our energy-related greenhouse gas emissions. Here’s the
breakdown of the emissions in 2018 for different modes of transport.
The fuels for transport need to be not just green, cheap and powerful, but
also lightweight and safe enough to be carried around. Each mode of trans‐
port has its specific fuel needs. Much is still to be settled, but here are some
of the solutions to get us going green.
This energy transition (变革) is global, and the amount of renewable en‐
ergy the world will need is “a little bit mind-blowing,” says mechanical engi‐
neer Keith Wipke at the National Renewable Energy Laboratory. It’s estimated
that the global demand for electricity could more than double by 2050. Fortu‐
nately, analyses suggest that renewables are up to the task. “We need to speed
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