Riches from oily rags
If recycling your domestic rubbish is a pain, imagine what it’s like running a car-repair workshop: batteries, bolts, bulbs, bumpers, plastics, oily rags, scrap metal and toxic liquids are just a few of the nasties. Understandably, most of Britain’s 25,000 garage owners either don’t bother — nearby rivers are handy — or they take the