China’s Great Wall Motor has said that its joint venture with BMW faced regulatory uncertainties as both companies pledged to proceed with plans for developing a low-cost electric car.

BMW’s second-quarter earnings fell by a fifth, hit by exchange rate moves and investments in manufacturing electric and hybrid cars to help meet stricter emissions limits.

GEORGE BOOLE FRS (1815—1864) was the first Professor of Mathematics at Queen’s College (now University College) Cork, and has variously been described as the creator of Symbolic Logic, the Founder of Pure Mathematics, and the father of the Computer and Electronic age.