Q7 buyers have a choice of the 3.2-liter 240-hp V6 from the Touareg or the next-generation 4.2-liter V8 with stratified fuel injection making 350 hp. The Q has paddle shifters on the sides of the ...

Better fuel economy and lower emissions from gasoline direct-injection engines are getting closer. Most European automakers are preparing GDI engines for introduction in the next few years, starting ...

Nylon is one of the most widely used engineering thermoplastics due to its excellent mechanical properties, such as high strength, wear resistance, and low friction. Tianjin SWKS Technology & ...