Here is a website that discusses Grants and Help Funding. Look at the page and scroll to the bottom. There are various categories:
Look up your state and don't be shy to call your State Representative's office too. If your wife is good on the phone [soliciting-terms] she could become an activist on the "awareness" programs for her own state. Something else to think about, MV-1 is a new start-up company. There's a lot of room to promote this vehicle country wide. It seems that design could be better suited to smaller establishments or business sectors of the market bulky full sized vans process at the moment.
http://www.amsvans.com/financing-handicap-vans/grants
Wheelchair Van Grant Directory:





Great idea! Liked on Facebook. 






