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By Jim Marotta   A naturally aspirated automobile engine uses the downward stroke of a piston to create an area of low pressure in order to draw air into the cylinder through the intake valves. Because the pressure in the atmosphere is no more than 14.7 psi, there is a limit to the amount of… Read more

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Fuel: your automobile runs on it, obviously, but it’s not the only thing that gets into your car. Contaminants, dirt, and the odd thing make their way into your fuel, which goes all throughout the car. If there’s no fuel getting to your engine, the vehicle won’t go. So how do you prevent this problem?… Read more

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Update: Since this article was first published in 2011, R-12 has been phased out and new refrigerants have been introduced in an effort to reduce depletion of the earth’s ozone layer and to minimize climate change caused by these chemical compounds. Story and photography by Jim Marotta What was once a basic system to heat… Read more

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By Jim Marotta Update: This article was first published in 2011. Changing your oil too frequently hurts the environment but has no impact on your vehicle’s efficiency. Due to advancements in vehicle and oil technologies, your vehicle may be able to go longer between oil changes without compromising your vehicle’s engine or sacrificing performance. The… Read more

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 By David Koontz Update: This article was first published in 2010. Today with more than 3 million Toyota Prius models sold as of June 2013 and gas prices hovering around $4 per gallon, the case for hybrids is still strong. Refer to fueleconomy.gov for recent tax incentive developments. More than one million hybrid vehicles quietly… Read more