Innovations That Will Green Our Future Transportation


| 10/5/2018 11:13:00 AM


Green innovations 1

Over the last 50 years, advancements in transportation have been slow. Automobiles, planes, helicopters and trains move at about the same speeds today as they did in the 1960s. But lately, the transportation industry has entered a new era of innovation — one that doesn’t just update individual aspects of vehicles, but reimagines transport technology from the ground up.

From streamlined aerodynamic designs to super-efficient self-driving cars, here are a few innovations that are expected to help make the future of transportation greener and cleaner.   

Lightening the Load

Reducing a car’s weigh by about 220 pounds could increase its energy efficiency by over 3 percent, therefore lowering greenhouse emissions. That’s why engineers are looking to magnesium — the lightest metal on earth, one that’s easier to come by than steel and aluminum — to make transportation more lightweight.

But the problem with magnesium is that it isn’t as malleable as steel or aluminum. It’s prone to breaking under the conventional extrusion process, which makes it more difficult to use in manufacturing. Mixing magnesium with elements like dysprosium and ytterbium can make it stronger, but the process is very expensive.



Researchers have begun to study magnesium at an atomic level to see which other elements might yield plasticity at lower costs. There have also been successes in a new extrusion method, where magnesium is heated and softened through friction only — without resistance heaters. These breakthroughs could make manufacturing magnesium parts far more cost-effective. Not to mention, the manufacturing process itself may be more eco-friendly.



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