“There were a lot of fairly eccentric designs in the patents from this era,” says ... tilt-rotor/tilt-wing helicopter-airplane that Nikola Tesla dreamed up in 1921—until this summer, on ...

Especially since what this drawing shows is potentially game-changing. You see, the image comes from a US patent titled "Electric vehicle extended range hybrid battery pack system," that Tesla ...

Electric car maker Tesla is still facing the $2 billion lawsuit, filed against the Elon Musk-run company by hydrogen trucking startup Nikola over design patents infringement. A US federal judge ...