How to figure mpg when generator and engine use same fuel tank

Dear Gary, We have a diesel generator on our motorhome. The generator uses the same fuel and same tank as what runs the motor. How much fuel will the generator use, let’s say, in an hour? How can I figure out my gas mileage when using the generator once in awhile? —Janice F. Dear Janice, When the generator and the…

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Four major cities to ban all diesel vehicles

  That diesel motorhome or truck you’re driving may be a dinosaur in the making. The leaders of four major cities, from Europe to Central America, are planning to ban all diesel vehicles by the middle of the next decade, the BBC reported. Time will tell if the movement reaches cities in North America. In the U.K., campaigners are calling…

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Do “gas saving” products really help?

The answer is “probably not.” Be skeptical of the following kinds of advertising claims. “This gas-saving product improves fuel economy by 20 percent.” Claims usually tout savings ranging from 12 to 25 percent. However, the Environmental Protection Agency (EPA) has evaluated or tested more than 100 alleged gas-saving devices and has not found any product that significantly improves gas mileage.…

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