The prime minister said the UK government believed in a mix of energy.
“Obviously, oil and gas is going to be with us for a very long time, and that’ll be part of the mix, but also wind, solar, increasingly nuclear, which is what we’ve been discussing,” he said.
The president’s visit was described as a “private” trip and – unusually for such events – combined politics with business and his love of golf.
It has involved a major police operation in Ayrshire and Aberdeenshire and enhanced policing for protest marches in Edinburgh and Aberdeen.
On Monday Police Scotland “engaged” with a boat off the coast of Aberdeenshire, near the Balmedie golf resort.
Footage showed the boat – which had a Palestinian flag – being followed in the water by police but officers said no action was necessary.
Trump’s mother was born in Lewis and emigrated to New York in 1930, aged 18. Trump has often credited that link with his decision to invest in his Scottish resorts.
He has been a regular visitor to his courses in Aberdeenshire and Ayrshire over the past decade.
The president will return to the UK in September for a state visit, when he will stay with the King at Windsor Castle.
