We can expect more electric functionality in cars and more downsizing of engines, but battery costs and weight will still dominate hybrid projects.
By 2025, we’ll see a graduation to more powerful, 48-volt electrical systems in cars, not least as a way of allowing cheaper models to keep using affordable, latest-spec lead-acid batteries (without the need for complicated controls systems) that can cut emissions but keep prices down.
Further up the price scale hybridisation may well become synonymous with performance. Slow and fast versions of a car will have similar consumption and emissions but the faster a model goes, the more powerful its electric motors will be, propelled by bigger and more expensive batteries and supporting electronics.
By 2030 we should see this technology spread downwards as volume cuts costs and promotes knowledge. Hybridisation will have spread to many cars. Pure electric vehicles will have much better ranges and move towards the mainstream, though charging will still be problematic for people living in densely packed suburbs.
Lighter cars are undoubtedly coming, says Jackson, but not simply because manufacturers adopt lightweight materials like aluminium or carbon fibre, both many times more expensive than steel. Lightness will have to be designed in, using revolutionary construction.
And hydrogen? It may come, Jackson allows, noting Toyota’s recent statements comparing progress of its forthcoming hydrogen cars with the onrush of its Prius range of hybrids through the 2000s. But it won’t arrive before someone finds a way of generating low-carbon hydrogen (most at present comes from hydrocarbons) and then invests billions distribution. I believe I’m being told not to hold my breath.
Most striking is Neville Jackson’s faith in the future: he is undaunted by the UK government’s much publicised and seemingly impossible undertaking to cut the country’s carbon emissions by 80% by 2050, not much more than three decades’ time. “I’m a great believer in the persistence and power of engineering,” he says calmly. “It will find disruptive solutions we can’t predict, just as the internet has brought advantages to our age we never expected.”
We talk much more - as will soon become clear - but by the time I leave Jackson’s office I feel a curious sort of calmness. When storms threaten, it’s great knowing such men as this have a hand on the tiller.