Auto
Diesel Truck Becomes Hybrid in Under Five Minutes
Startup Revoy offers a solution that turns existing semi-trucks into hybrids with a swappable electric add-on unit, dramatically cutting fuel consumption and emissions.
Gadgets
Sony's wearable air conditioner for 250 euros: Cools at +40°C, battery up to 10 hours
Reon Pocket Pro Plus uses thermoelectric technology for cooling and heating, and is controlled via a mobile app.