Kelsea Ballerini celebrated the 100th anniversary of the Grand Ole Opry with a moving cover of Barbara Mandrell‘s 1981 tune “I Was Country When Country Wasn’t Cool.” Ballerini took the ...

Fersa’s fuel-efficient wheel hub cuts truck fuel consumption by 3–7.3%, saving operators over $3,500 per truck annually by reducing drivetrain friction.

Rivian is looking to patent wheel covers with active aerodynamic elements to further improve the efficiency of its electric vehicles. Smooth wheel covers—like the ones available on the updated ...