Written-off cars should be de-gassed, insurers told
The insurance industry has been blasted for blocking the recovery of highly potent greenhouse gases contained in hundreds of thousands of written-off vehicles sold at auction each year.
About 600,000 cars are sold each year for parts and scrap metal. Each contains an average of about 250 grams of hydrofluorocarbon (HFC) 134a gas in their air-conditioning units, little of which is recovered despite a law banning its deliberate release.
Since HFC134a has about 1300 times the global warming impact of carbon dioxide, capturing the gas could save the equivalent of almost 200,000 tonnes of CO2 -equivalent in annual emissions.
Advocates of a new gas recovery technology say the two main auction firms - Manheim and Pickles - would allow cars to be de-gassed within minutes before sale but only the owners can give the all clear.
"If the insurance companies said they wanted to do it, we'd work with them to facilitate it," said Mathew McAuley, communications manager at Manheim.
Grabbing the gas before a sale is vital since buyers of the wrecks number in their thousands, making enforcement of the 1989 act banning release of HFCs and ozone-depleting refrigerants almost impossible, said Barry Isenberg, a consultant to the dismantling industry. "It's a win for the environment, it costs nothing for insurance companies, or the auction houses," said Mr Isenberg, once dubbed by US media as "the messiah of the auto recycling industry".
Greens leader Christine Milne has also written to the Insurance Council of Australia and to Amanda Rishworth, the parliamentary secretary for Sustainability and Urban Water, to urge insurers to give de-gassers access to the cars.
"I'd like to see greater compliance [of the law] by requiring written-off vehicles are de-gassed prior to auction," Senator Milne said. "That is surely faster and cheaper and avoids the need to monitor the activities of thousands of dispersed vehicle recyclers."
Campbell Fuller, spokesman for the Insurance Council, said the gas was "a commodity and forms a significant part of the value of the vehicles being sold".
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