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Used Car of the Day: 2007 Jeep Grand Cherokee SRT8

The Truth About Cars

We're sending you into the weekend with this 2007 Jeep Grand Cherokee -- a bunch of muscle and mods. The engine has around 50K miles on it and the body about 155,000. The seller is asking for $24,000. Check it out here. Images: Seller] Become a& TTAC insider.

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Cummins and Cummins Westport recalling 25,013 natural gas engines over exhaust fire risk

Green Car Congress

are recalling a total of 25,013 Cummins Westport Model ISL G and ISX12 G natural gas engines manufactured between 2007 and 2014 due to a risk of elevated exhaust temperatures or flames from the exhaust under certain conditions. In most cases, this improper operation will result in the engine running rough and misfiring.

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Used Car of the Day: 2007 Toyota FJ Cruiser TRD

The Truth About Cars

So today we're featuring a 2007 Toyota FJ Cruiser TRD. liter engine with 133,000 miles on it, CARB-legal JBA headers, a stainless-steel cat-back exhaust system, a TRD front-brake kit, a TRD cold-air intake, OEM rear locker, and new coils and plugs. This feature was Toyota FJ-heavy for a bit, but we haven't had one for a while.

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HEI ACES study of lifetime animal exposure to New Technology Diesel Engine exhaust finds no lung cancer

Green Car Congress

The first study to conduct a comprehensive evaluation of lifetime exposure to new technology diesel exhaust (NTDE)—i.e., exhaust from heavy-duty diesel engines meeting EPA 2007 and later emissions requirements—has found no evidence of carcinogenic lung tumors. Earlier post.) Earlier post.)

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Study finds high exhaust temperatures within NTE operation for heavy-duty diesels with aftertreatment systems contribute to high nanoparticle concentrations

Green Car Congress

The transient results illustrate the gradual formation of the nucleation mode particles with continuous increase in exhaust temperatures. Manufacturers have responded with different technologies and engine control strategies for compliance. Diesel engines for use in the US are certified on the Federal Test Procedure (FTP) cycle.

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EPA says methane emissions from natural gas production have dropped 36% from 2007-2011

Green Car Congress

In its recently released Inventory of US Greenhouse Gas Emissions and Sinks: 1990 – 2011 ( earlier post ), the US Environmental Protection Agency (EPA) reported that methane (CH 4 ) emissions from the field production of natural gas have declined by 36% from 2007 to 2011 (from 83.1

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Cummins Westport ISB6.7 G midrange natural gas engine now in full production

Green Car Congress

liter midrange, factory-built natural gas engine is now fully available as a production engine for shuttle bus, medium duty truck, and vocational applications in North America. As previously announced, the engine has been available for school bus applications since May 2016 from Thomas Built Buses. Cummins Westport’s ISB6.7

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