I’m doing an economics project about how hybrid, electric, and hydrogen powered vehicles effects the economy. I need to have 4 book or magazine sources and am having a really hard time finding anything in books or magazines for my topic.

(may be broke/outdated!)
I’m doing an economics project about how hybrid, electric, and hydrogen powered vehicles effects the economy. I need to have 4 book or magazine sources and am having a really hard time finding anything in books or magazines for my topic.