One thing you can certainly say about Sir Clive Sinclair, the eclectic inventor-cum-entrepreneur: he doesn’t give up.
After an early success with his ZX Spectrum computer, his first foray into the transport industry in 1985 — the notorious C5 — is still held up by many as one of the ultimate business failures.
The electric car had a range of 20 miles and a top speed of 15mph, and was thought to have cost Sir Clive millions, but showing impressive persistence he is to launch his latest eco-road gadget, called the X-1, next year.
A 30kg electric vehicle that looks like a cross between a bike and a space pod, the X-1 will go on sale from July for just under £600.
On his website,