Aside from safety concerns, autopilot software could nullify electric cars' sustainability benefit.
—but if the day does come when the software becomes a de facto means of navigation, a new study indicates it’s going to need to bemore energy efficient. If not, autopilot features could ostensibly neutralize any self-driving electric vehicles’ environmental benefits.
The physical locales which house the massive computer arrays powering the world’s countless applications today generate aboutof all greenhouse gas emissions—roughly the annual amount of carbon produced by Argentina. Researchers estimated this level would be reached from the self-driving tech in 1 billion autonomous vehicles, each driving just one hour per day.
The parameters for such scenarios—how many cars are on the roads, how long they are traveling, their onboard computing power and energy requirements, etc—might seem relatively clear , but there are numerous unforeseen ramifications to also consider. Autonomous vehicles could spend more time on roads while people multitask, for example, and they could actually spur additional demographics to add to traffic, such as both younger and older populations.
“To put that into perspective, all of Facebook’s data centers worldwide make a few trillion inferences each day ,” explains MIT. Suffice to say, these are serious hurdles that will need clearing if the automotive industry wants to continue its expansions into self-driving technology. EVs are key to our sustainable future, but self-driving versions could end up adding to the energy crisis.Andrew Paul is Popular Science's staff writer covering tech news. Previously, he was a regular contributor to The A.V.
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