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Overview: Trump weakens fuel efficiency standards.

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The Trump administration has weakened fuel efficiency standards for new cars.

ambassador to China said Trump offered to sell American arms to China.

And, why the Gulf remains in limbo

The bill's supporters, which include the NCAA, say it will tame what they call a "Wild West" era of college sports as litigation chips away at long-held rules around eligibility, transfers and pay.

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Eisenhower aircraft carrier off Virginia and four sailors on the vessel were hurt in what the Navy called a "mishap.

WATCH: 1-on-1 with Evan Gershkovich: ABC News exclusive

A new analysis of phone calls made on the night of the students' disappearance led to the arrests of 17 new suspects, officials said.

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