Aircraft and marine vessels are significant contributors to global warming. Airplane vapor trails release CO2 as well as other pollutants, and ships expend large amounts of energy as they carry most of the world’s cargo. Many of the polymer composites typically used for such craft are over-engineered to avoid structural [...]
Post Tagged with: "transportation"
Michelin has developed an integrated tire and wheel combination missing one ingredient that is vital for traditional tire performance – air. The “Tweel” is comprised of a deceptively simple looking hub and spoke design that replaces the need for air pressure while delivering performance previously only available from pneumatic tires. [...]
In the United States there are 46,837 miles of highways with miles of sound barrier walls being erected daily to mitigate the negative impacts of highway systems on urban neighborhoods. At the same time, these transportation systems alone produce 1.4 billion tons of airborne pollution annually. With the increasing prominence [...]