Audi A2 e-tron: brand's cheapest and most efficient EV ever, nearly 5 miles/kWh

Audi has unveiled the A2 e-tron, its cheapest and most energy-efficient electric car to date. The compact EV is powered by an LFP battery and, with the optional efficiency package, achieved close to 5 miles per kWh in preliminary testing — the best efficiency figure ever recorded by the brand.