The 2016 Prius Eco is rated at 56 mpg combined (58 mpg city, 53 mpg highway)--making it the new all-time fuel efficiency leader among vehicles that don't plug in to recharge their battery packs. ALSO SEE: Next Toyota Prius Plug-In Hybrid To Have 30 To 35 Miles Of Range: Source. You can see all three ratings here.
Corrosion is a natural process, which converts refined metal to their more stable oxide. It is the gradual destruction of materials (usually metals) by chemical reaction with their environment.In the most common use of the word, this means electrochemical oxidation of metal in reaction with an oxidant such as oxygen.orrosion can also occur in materials other than metals, such as ceramics or polymers, although in this context, the term degradation is more common.
The Parkerizing process cannot be used on non-ferrous metals such as aluminium, brass, or copper. It similarly cannot be applied to steels containing a large amount of nickel, or on stainless steel.arkerizing is usually considered to be an improved zinc or manganese phosphating process, and not to be an improved iron phosphating process, although some use the term parkerizing as a generic term for applying phosphating (or phosphatizing) coatings that does include the iron phosphating process.