Transportation
Stanford engineers warn that electric car charging could crash a grid powered by renewable energy
Most electric car charging is done at night. A grid powered mostly by renewable energy might not be able to meet demand.
Walking to school is more likely to keep kids active as they age
Children who walk or bike to school at a young age are more likely to continue the habit as they age, a new study shows.
Electric planes are coming: Short-hop regional flights could be running on batteries in a few years
Aerospace engineer Gökçin Çınar discusses sustainable aviation concepts, including hybrid-electric planes and hydrogen fuel alternatives.
Paradox-free time travel is “logically” possible, say physicists
An undergraduate and his supervisor ran the numbers and found paradox-free time travel to be mathematically consistent.
“Up to 2.4 million new apartments” legalized by bipartisan California legislation
Millions of new apartments in commercial areas and near transit have been legalized by new California laws just signed by Governor Gavin Newsom.
Air Canada orders 30 electric-hybrid aircraft for takeoff in 2028
Flag carrier Air Canada has announced plans to have electric-hybrid planes on regional and commuter routes by 2028.
The surprising history of how electric vehicles have played the long game and won
The electric vehicle’s environmental credentials might give them a final push to win the long game over traditional cars.
Electric school buses are taking students back to school
Can electric school busses bring cleaner air and lower maintenance costs to school districts across the country?
Optimized charging powers EV batteries to 90% in 10 minutes
Tomorrow's electric vehicles could charge far more quickly thanks to optimized charging methods and innovative battery designs.
On the road to autonomous cars, driver fatigue will be a problem
New research from Waymo points the way to overcoming driver fatigue in cars that are almost — but not quite — self-driving.