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2. Overdrive (mechanics) - Wikipedia

   en.wikipedia.org/wiki/Overdrive_(mechanics)

   As popular cars became faster relative to legal limits and fuel costs became more important, particularly after the 1973 oil crisis, the use of five-speed gearboxes became more common in mass-market cars. These had a direct (1:1) fourth gear with an overdrive fifth gear, replacing the need for the separate overdrive gearbox.

3. Service (motor vehicle) - Wikipedia

   en.wikipedia.org/wiki/Service_(motor_vehicle)

   A motor vehicle service or tune-up is a series of maintenance procedures carried out at a set time interval or after the vehicle has traveled a certain distance. The service intervals are specified by the vehicle manufacturer in a service schedule and some modern cars display the due date for the next service electronically on the instrument panel.

4. Exhaust gas recirculation - Wikipedia

   en.wikipedia.org/wiki/Exhaust_gas_recirculation

   EGR valve the top of box on top of the inlet manifold of a Saab H engine in a 1987 Saab 90. In internal combustion engines, exhaust gas recirculation (EGR) is a nitrogen oxide (NO x) emissions reduction technique used in petrol/gasoline, diesel engines and some hydrogen engines. [1]

5. These 20 Cars Cost the Most To Maintain - AOL

   www.aol.com/finance/20-cars-cost-most-maintain...

   If you're in the market for a new car, keep in mind that sticker prices don't include the cost of gas mileage -- or maintenance. Sometimes a set of wheels with a modest price tag can be among the ...

6. FTP-75 - Wikipedia

   en.wikipedia.org/wiki/FTP-75

   The testing was mandated by the Energy Tax Act of 1978 [1] in order to determine the rate of the guzzler tax that applies for the sales of new cars. The current procedure has been updated in 2008 and includes four tests: city driving (the FTP-75 proper), highway driving (HWFET), aggressive driving (SFTP US06), and optional air conditioning test ...

7. Vehicle emissions control - Wikipedia

   en.wikipedia.org/wiki/Vehicle_emissions_control

   All modern cars are now equipped with catalytic converters to further reduce vehicle emissions. Leading up to the 1981 model year in the United States, passenger vehicle manufactures were faced with the challenges in its history of meeting new emissions regulations, how to meet the much more restrictive requirements of the Clean Air Act (United ...

8. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. Idle reduction - Wikipedia

   en.wikipedia.org/wiki/Idle_reduction

   The trucking industry has analyzed the impact of idling on engines, both in terms of maintenance and engine wear costs. Long-duration idling causes more oil and oil filter deterioration and increases the need for more oil and filter changes. Similarly, the longer the idling time, the sooner the engine itself will need to be rebuilt.