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Heywood 3 (0:56)
Topic(s): Efficiency
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Video Transcript

People say, "The internal combustion engine, it's old technology. Why don't we replace it?" They also say, "Yes, fuels will eventually run out." The reason we need to focus on improving engines, finding alternative fuels, using those fuels better, as well as finding– as looking for some alternatives, the reason is that there are so many vehicles, it's going to take a really long time to change to something else, even if we got something else there, developed and ready. And we don't yet. So improving engines, and in the vehicle sense, sort of, reducing vehicle size, vehicle resistances—drag, things like that - that's how we can move forward, by keeping our mobility but decreasing, in due course, greenhouse gas emissions.