There steel for mainly the frames of the

There are 30 states that use emission testing laws in the United States (Johnston). That means that 20 states do not have emission testing. If people want to watch how much emissions go into our atmosphere, people need to start campaigning in those 20 states to start emission testing. Carbon dioxide emissions create greenhouse gases that hurt the atmospheric layer. So in that case, lowering the carbon dioxide emissions must be more strongly enforced.   In 1908, Henry Ford made the first automobile. It had a 22-horsepower, 2.9 4-cylinder in it (George). As people have seen, engines have had huge design changes in horsepower and in volume. There were tons of vehicles made in 2017. There are many of different automobile makers like Chevrolet,  Dodge, Ford, Nissan, Toyota, Jeep, Land Rover, Mercedes, Honda and so on. They all have numerous of vehicles within their company all shaped in different ways for different needs in life. There are semi-trucks that people use to haul goods from state to state. Then there are the more reasonable pickups that are used for around-town type stuff or to move hay from one location to the another. Some car designers take engineering up to the next level by using small, light, modern materials. They use super-light metals like aluminum and steel. They use the steel for mainly the frames of the cars, but they use the aluminum for the car’s body. They even use some of these light metals to build their motors (“What Kind”). Cars have changed in design for either safety or for making a car aerodynamic and quick. But in the same purpose they are just made for style and to look good. Most automakers these days mainly make their vehicles for the purpose of all three elements because automakers these days want their vehicles safe, fast and attractive. (Rosenburg). Most of today’s vehicles are more aerodynamic to make wind resistance less to increase vehicle’s miles per gallon.  Automakers even use these aerodynamic vehicles to increase horsepower from a vehicle’s motor. This is because there is less wind resistance (Rosenburg).   California sets the standard for vehicles with having the top market and cleanest economy. California put a bigger responsibility from automakers to make vehicles cleaner and and have a lot of style. By being more strict, automakers have really cleaned up their act by making vehicles have to run to the standards of Corporate Average Fuel Economy (C.A.F.E.) (Rosenburg). According to law, vehicle’s bumpers are the hardest visual aspect of a vehicle because they have to be a certain height off the ground. They have to also be a certain size. If a bumper is three feet off the ground, it won’t be able to hit someone else’s bumpers, which is more dangerous than if there all close to the ground (Rosenburg). Vehicle front ends are getting more low and squared off rather than being more bulged out. So they are safer if someone gets hits by a car. It’s better off that way it prevents injuries. Front ends are squared off so it is set up more like a tank (Rosenburg). Vehicles changed their appearance from the ’80s to the ’90s from being boxy to adding a lot of curve. Automakers changed by law, but the main reason was that automobile makers figured out a way to make a vehicle with curves. In the ’30s to the ’50s, vehicles were super heavy, so they were made streamlined to decrease wind resistance so vehicles would save a few MPG (miles per gallon) (Stromburg). In the United Kingdom gas prices were more expensive so they had to figure out a way to make a car look and be more sleeker and streamlined to decrease wind resistance. Vehicles in the US didn’t really need to be streamlined because gas was cheap so getting away with making box cars, as they were called, easier. But once gas prices went up automakers had to figure out how to make a vehicle that saves MPG. Saving MPG is what everyone was looking for once those fuel prices went up (Stromburg). Corporate average fuel economy first showed up in 1978, which says vehicle must save more MPG and produce less emissions. Emission first came up when scientists found aspects of fossil fuels harming the atmosphere from which, in  turn, came global warming (Stromburg).Curves and streamlined shapes make it easier and cheaper to make cars and is cheaper to run the car with an eco-friendly engine or a better, more fuel-ethnic motor. One automaker’s designer claimed that they would spend $200- $300 million to gain a tenth-mile per-gallon (Stromburg). Automakers rely mainly on wind tunnels to make their cars streamlined. With automakers using wind tunnels to form their cars, they can make cars a little cheaper because their shape is easier to build (Stromburg).Congress passed an act called the Clean Air Act, which gave Environmental Protection Agency (EPA) the right to regulate vehicles emission levels which comes back California which leads the act proudly and strongly. They took complete effort in proving that emission levels need to be regulated to save the ecosystem (“History”). Lead and sulfur levels have been lowered in fuel to help cars run cleaner. By making vehicles run cleaner, they could increase the performance in the cars to make them have more horsepower and more torque (“History”). There has been over 40 years of clean-air policies that have really cleaned the air quality up by a lot. Their have been huge increases in air quality since the ’60s we have increased by 99% cleaner air. Vehicles were once the contributors to lead emissions, but that has changed since lead was removed from gasoline back in 2013 (“History”). In the ’80s they came out with the catalytic converter which is on all vehicles today. It was named one of the best creations in all history because it helps clean up exhaust pollution by quite a bit (“History”). According to the EPA they are trying to transfer cars to not use as much oil as they do now. EPA has stated a date and it is by 2025 they don’t want to be dependant on oil anymore. EPA wants to reduce emissions in vehicles by 2025. Their trying to raise fuel mileage to at least 53 MPG (Regulations). Cars have always been said to be more powerful and more efficient than diesels. There’s a little truth in what is said but it’s not all true. Diesel motors run with more power then what a gas motor runs at. The reason why would be because a diesel motor runs more power at a lower rpm, where as a gas motor runs more power at higher rpm. Diesel motors are the obvious choice for power but this is also where the truth comes in if your looking for economical purposes diesel probably isnt what you want. Gas motors run mostly carbon dioxide out there exhaust, where as a diesel motor run mostly nitrogen out its tail pipe (Majewski). Diesel was originally to brought into the world to be a replacement to gas. Diesels were brought around to lower emissions but once they realized that diesel exhaust was worse in the way killing people. They almost abandoned diesels all together but came to realize diesels where needed. Some solutions for all of emission are fuel efficient cars, we could use cleaner fuels, and electric cars and trucks. If we use more fuel efficient cars we can save gas which means less emissions out of the exhaust. Cleaner fuels can give us less emissions by using different fuels all together that are about 80% cleaner than gasoline. Now using electric cars and trucks are just clean all together no more need for gasoline or need for oil or transmission fluid there’s no more need for any of that (“Car”). Some other things people can do to save emissions like walking, riding the bus, or using an uber to to get places. You can even turn off your tv and lights in a room this will save money and save emissions by coal plants. The Natural Pollutant Industry is trying to restrict factories to save emissions (National). If you use vehicles to save fuel then keep your tires inflated and keep your car ruck well tuned it will save great amounts of fuel and produce less emissions. If you use low sulfur fuel it will save emissions. If a vehicle burns cleaner fuels it will save emissions because it burns slower which means the vehicle will save fuel and burn less gas (“motor”). Carbon monoxide,  nitrogen oxides, and hydrocarbons are what burn when exhaust. Gas fumes can go into the atmosphere when you a filling your vehicle up at the gas station. A vehicles fumes are known to cause lung damage. It can also cause your respiratory system to get aggravated. The fumes are also a factor in acid rain (“Controlling”). Diesels are actually very durable and very relient and are pretty efficient. Because when they consume their fuel almost all of the fuel is actually burned which saves fuel. When a diesel does not burn all of its fuel is when it blows black smoke out the exhaust most diesels have to be straight piped which can actually help with fuel milledge and offer a little more horsepower (“Diesel”).

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