CarMD looked at real-life repair data for one full calendar year on 2002-2012 vehicles and discovered that different brands tend to have a unique set of problems and common failures.
The fungus uses a common carbohydrate processing enzyme called acetyl co-A to form the building blocks of hydrocarbons--but its unique chemical pathways are not yet understood nor is the process by which the gases escape the fungal membrane into the air.
The waivers could be organized around the Republican-friendly idea of federalism through which states serve as policy laboratories to test different approaches to common problems tailored to unique state needs and preferences.