Flushing the transmission fluid and keeping the wheels rotated, balanced, and aligned also help in the long run. Keeping the oil, filter, and air filters clean are great steps to take to ensure the longevity of your car. Improving the fuel efficiency of your car comes from keeping up with maintenance schedules and driving kindly without overworking the transmission. Long-term goals are to get new and light truck fuel efficiency up to 54.5 miles per gallon by 2025 so expect transmissions to continue evolving. Another way to reduce independence was the approval to do ultrasonic blasts up and down the east coast to search for oil wells, which is questionable to the welfare of the ecosystem in the region. Part of this is to reduce independence on foreign oil. These must achieve a 15% reduction by the model year 2018 and potentially one gallon of gas per 100 miles driven. Under the direction of President Obama, the National Highway Traffic Safety Administration (NHTSA) moves into phase 2 of improving fuel efficiency and greenhouse gases for medium- and heavy-duty vehicles for model years 2014-2018. Part of the drive to upgrade is to meet federal fuel economy regulations. BMW has it in their 5 series with them and many trucks get the upgrade. GM and Ford worked together to research and develop an 8-speed transmission to reduce their investment risk but engineer a better one. And since flying cars still aren’t an option to the majority, having a more powerful and smoother ride is. Lately, there is more focus on safety features to reduce accidents and injuries. However, sticking with the same game plan not only stalls innovation, but it also stalls car sales too. Some critics complain that cars are the same as a decade ago plus some fancy new options like Pandora radio. As a result, some small cars are stuck with the last decade’s number of speeds in their transmission. A tricky part of this is fitting more gears in smaller engine spaces so the transmission for a truck has more room to spread than the engine for a little Fiat. This means that acceleration improves for a quieter drive and the engine works at its most optimal power level. More gears means a larger overall ratio spread and a smaller ratio spread between gears. Regardless, moving from gas to all-electric cars would take years and years of transitioning among all drivers across the world. Many electric cars don’t even have transmissions but that may change soon. If we continue with 2 new speeds every decade, we’ll see a continued uphill trend and eventually a plateau. Not all cars are being made with 8-speed but many car manufacturers are moving to it because it has improved fuel consumption and also reduced CO2 output. In the 1990s, we had 5-and 6-speed transmissions, and during the 2000s, we progressed to 7- and 8-speed transmissions. Way back when, between 1920-1980, 1- and 2-speed transmissions were used, then 3-4 speed. For what seemed like many years, the 6-speed transmission was the most common engine used in cars up until a few years ago.
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