Oct 15, 2026 | Battery Technology
A kilogram of diesel holds about 12,700 watt-hours of energy; a kilogram of lithium-ion battery pack holds around 200 — a gap of more than sixty to one. That figure is real, and it is nearly useless. A combustion engine throws away roughly 70 percent of its fuel as...
Aug 15, 2026 | Battery Technology, e-Bikes, Electric Vehicles
A Porsche Taycan Turbo S carries its energy at about 148 watt-hours per kilogram of battery pack. A Tesla Model 3 manages 171. The e-bike battery Gobao plans to sell in 2027 claims 243. The bicycle wins, and not narrowly. It is not because the bicycle has better cells...
