In response to environmental concerns, governments started mandating stricter pollution controls for automakers in the late 1970s. One of the most effective ways to reduce tailpipe emissions for gas-burning vehicles was the addition of a ‘Catalytic Converter’ to the vehicle’s exhaust stream. The converter uses precious metals to kick-start chemical reactions in the exhaust […]

The useful life of household appliances is shorter than it used to be. Purchase prices have come down as manufacturing processes have become more efficient. It costs less to build machines with fewer mechanical parts, and more electronic ones. As the machine ages, mechanical parts can be repaired or replaced, which is good for your […]

If you’re an electrical or plumbing contractor or work in another business that generates scrap metal, you can maximize your business’ profits by selling your scrap material for top dollar. In the past, the business of scrapping metal could be untidy, with muddy lots and a confusing system of payment for your material. urbanmine is […]