The average price of a litre of diesel at the pump stands at 198.32p, according to the RAC motoring body.
Iran's foreign minister acknowledges Trump's comments, but adds that Tehran is waiting for the "definitive views" of mediators.
The pipeline would strengthen energy security in landlocked Ethiopia, while creating jobs at Djibouti's port.
The scheme was initially available in Scotland for six months from 1 April.
The BBC's Frank Gardner explains why the narrow waterway is key to oil transportation and the world economy.
Drivers and firms in the West Midlands say rising prices are hitting budgets and forcing cutbacks.
The bank said it "assumed" there would be economic red lines, like oil at $100 a barrel, that the US would be unwilling the cross.
Many Nigerians buy their first ever shares - in the oil refinery owned by Africa's richest man, Aliko Dangote.
Trump’s tariff threat puts India’s Russian oil strategy- and its access to the US market - in a new bind.
