The Foundation does not provide grants for individuals. The PRC does, however, have resources that may help you.
You may want to contact the Disabled Dealer or Accessible Vans of America, both of which have ads that offer used accessible vans for sale, which will help with the cost.
Their websites are:
Please feel free to call me or anyoe on the Information Specialist team. We can provide additional information, including a list of other non-profit organizations that provide grants for individials and state resources for your state. The phone number is (800) 539-7309. My extension is
I hope this helps!