Predicted if the issue isn't solved
"In congested traffic, hybrid vehicles achieve their best fuel efficiency and, in such conditions the Toyota Prius, contrary to its many critics, can achieve the EPA estimated 60 mpg, or even higher. On the contrary, conventional vehicles perform their worst in these conditions, and that is the problem with clean diesel"(soultek.com). From this we can assume that if congress doesn't take action our economy will more then likely continue to fall and we will become more and more dependent on other countries for our resources.