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Photo: Volvo Cars

The expected benefits of self-driving cars are widely touted: They will be safer than human drivers and improve access to transportation for people with disabilities, the elderly and the poor.

One other potential benefit: They will be better for the environment (and not just because most AVs will be electric).

Driving the news: A new study by the National Renewable Energy Laboratory on behalf of Volvo showed a 5% to 7% drop in fuel consumption for cars driving with adaptive cruise control compared with human drivers.

  • NREL studied Volvos driven by employees and their families near the company's headquarters in Gothenburg, Sweden.
  • They compared the fuel economy of cars using adaptive cruise control to those without the system, which automatically adjusts to the speed of the car ahead.
  • It's the first study that uses real-world driving data to show how much more efficient cars with driver-assistance features can be, according to Green Car Reports.

Quick take: With less stop-and-go driving, cars drive at a steadier pace and thus burn less fuel.

What to watch: Future developments such as platooning and vehicle-to-vehicle communications could smooth traffic flow even further, making cars potentially even more efficient.

Go deeper

CCP releases two jailed Canadians after Huawei CFO deal with DOJ

Photo: Sheldon Cooper/SOPA Images/LightRocket via Getty Images

Two Canadians imprisoned by the Chinese government for over 1,000 days have been released and are expected to arrive in Canada on Saturday, Prime Minister Justin Trudeau said Friday.

Why it matters: Their release comes hours after Huawei Technologies CFO Meng Wanzhou reached a deal with the U.S. Department of Justice that resolves the criminal charges against her and could pave the way for her to return to China.

Updated 18 hours ago - Politics & Policy

Arizona GOP's private recount of 2020 election confirms Biden's win

Contractors working on behalf of the GOP examine and recount 2020 ballots at Arizona Veterans Memorial Coliseum in Phoenix in May. Photo: Courtney Pedroza/Getty Images

In an odd coda to the 2020 election, private contractors conducting a GOP-commissioned recount in Arizona confirmed President Biden’s win in Maricopa County.

Why it matters: The unofficial, party-driven recount has been heavily covered on cable news as part of former President Trump's continued effort to sow doubt about the election result.

Del Rio bridge camp empty following Haitian migrant surge

A boy bathes himself in a jug of water inside a migrant camp at the U.S.-Mexico border on Sept. 21 in Del Rio, Texas. Photo: John Moore/Getty Images

The last migrants camping under the Del Rio International Bridge, which connects Texas and Mexico, departed on Friday, Homeland Security Secretary Alejandro Mayorkas announced during a White House press briefing.

Driving the news: Thousands of migrants, mostly from Haiti, had arrived to the makeshift camp after crossing the southern border seeking asylum. Roughly 1,800 migrants will now head to U.S. Customs and Border Protection processing centers.

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