2008 Ford Super Duty - Diesel vs. Gas
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It's much easier to make a gas engine run within the EPA specifications for emissions, especially in the 31/44- and 1-ton truck classes. Passive catalytic converters are used along with oxygen sensors to seamlessly vary the richness of fuel used during combustion to keep the catalysts working to their full potential. After the catalysts, exhaust is combined before entering a single muffler (that's about half the size of the diesel's DPF) and exiting through a single tailpipe. View Related Article
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Mercedes GL Research
Being one of the most popular cars in its class, the Mercedes GL offers good performance and quality. The V8 standard engine in the GL gives you 382 horsepower with an estimated 14 mpg. It also comes with comparable safety features. Other similar vehicles are the Volkswagen Touareg and the Jeep Grand Cherokee.
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