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Exhaust

The UCR NOx-Out device replaces the muffler on an existing gas mower

Gas-powered lawnmowers are notorious polluters. According to the US Environmental Protection Agency, running a new gas mower for one hour produces as much air pollution as would be generated by 11 typical automobiles being driven for the same amount of time. Switching to an electric or reel mower is certainly one option, but for those applications where it's gotta be gasoline, a team of engineering students from the University of California, Riverside are developing another: an attachment that they claim reduces noxious emissions by over 90 percent.  Read More

CPT's auto exhaust gas energy recovery system

A lot of energy has traditionally been flushed down the exhaust pipe of the internal combustion engine and it's interesting to see that a number of companies, most notably BMW and Toyota until now, have been working on harvesting that power thanks to the imperatives of the energy crisis. Now Controlled Power Technologies (CPT), best known for its VTES electric supercharger, is working on exhaust gas energy recovery too. CPT estimates it will take five years to bring its research to market.  Read More

Remote control exhaust system offers range of exhaust notes

Without doubt, one of man's greatest delights is to experience firsthand the stereo staccato of an exhaust system trumpeting the sound of a high performance engine being controlled by an expert touch on a mountain road. Sadly, the same engine, exhaust and expert touch become highly anti-social in urban confines, so German tuning company Cobra has come up with the perfect invention for socially-responsible petrolheads – a remote-control exhaust system. At the push of a button, one can engage an electronically controlled flap on the twin 120mm tailpipes, changing the noise from subdued and refined sportiness through to unrestrained and joyful F1-madness … and back again.  Read More

Zircotec's heat resistant Zircon-based ceramic coating

June 4, 2007 We've spoken previously about the amazing heatproofing properties of Zircotec's ceramic thermal coating. Extremely heat resistant, the coating has been put to use by several Formula One teams to move heat out of the engine bays of their race cars. Now it seems this highly effective spray-on coating could have a part to play in emissions reduction and assisting engine manufacturers in meeting the strict Euro 5 emissions standards while contributing to power increases.  Read More

Building a better exhaust jack

December 5, 2005 Innovative off road accessory company Bushranger won a major accolade for its X Jack exhaust-operated car jack at the recent SEMA Show in Las Vegas winning the Best New Exterior Accessory Product award. Exhuast-operated jacks have been around since the off-road market first boomed in the 1970s, but got a bad reputation in the early years for being puncture-prone on the underside of the vehicle and lacking in stability on surfaces such as sand, mud and loose gravel. The X Jack features a triple layer lifting surface for better durability, a hard core insert and a base with spiked feet for greater stability but the clincher which makes it an infinitely better mousetrap is the dual inflation system. Exhaust systems can be damaged which makes them difficult or impossible to use for the inflation, and sometimes they may be buried rendering them equally useless. By utilising either the vehicle’s exhaust or a portable 12 Volt compressor, the X Jack solves several of the problems associated with exhaust jacks.  Read More

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