Venus Aerospace has made the most efficient rocket engines ever flown. They will go from runway to mach 9 hypersonic speed. The Venus Aerospace Stargazer M4 is designed to reach a top speed of Mach 9, ...

Most drone engineers pick a lane. You build for speed, or you build for range. Luke and Mike Bell, the father-and-son team from South Africa already famous for pushing electric quadcopters to ...

Joe is a classically trained journalist who’s been writing about the auto industry and car culture for 40 years, steering the editorial direction of prominent Canadian magazines such as World of ...

These cars prove efficiency doesn’t have to be expensive.

Short of haggling for the best possible deal at a dealership, one of the best ways to save money is by choosing a very fuel-efficient vehicle. What makes this even better than any one-time savings is ...

Diesel engines are sometimes assumed to have poor fuel efficiency, possibly due to their association with heavy equipment, big ships, long-haul trucks, and other gas-guzzling machinery. But contrary ...

New layout for a 2-speed might be light and compact while maintaining efficiency Could potentially allow strong launch with a lower-cost motor unit Idea might be due in future Lucid EVs, or engineers ...