Tegrona has launched free software that uses photographs to calculate how many PV modules can fit on a rooftop. Tegrona Lite ...

Venus' slow rotation and gravity may have caused a former moon to crash into the planet; if Venus once had a moon, the impact ...

Its 750W motor, capable of 1400W peak output, produces up to 85Nm of torque. Torque becomes particularly relevant when an electric trike with passenger seat starts from rest with passengers or cargo, ...

Nitin Gadkari claims a 100 per cent ethanol car launching in October won't need petrol at all, running as cheap as Rs ...