Despite the complexities of having a combination of combustion engine (almost always petrol), small battery pack and electric motor, hybrids are by far the most robust fuel type.
Pamela Harper, whose luxury brands businesses have been favoured by the royal family, says that there must be relief for firms like hers who have high-energy costs.
What's Tesla's clean energy system really like? Freda Lewis-Stempel visited Cumbria, driving the Model Y RWD and staying in a Powerwall-powered house to find out.