About the clean air act and Volkswagen

Please write a one paper about the clean air act and Volkswagen

use the English language as simple as you can

and for the sources:
-Environmental law sixth edition book ( examples and explanations) by Steven ferrey
– presentation i’ll upload
-These are simply resources which I found

http://yosemite.epa.gov/opa/admpress.nsf/f0d7b5b28db5b04985257359003f533b/6579a74e2ed0039185257ecb004f34cf!opendocument

You are welcome to use additional materials of which there are many on the internet but you must refer to the 3 links, book and the presentation i’ve uploaded