What stove do you currently have, that is difficult to use. We may be able to offer some tips to make it easier.
This is an image of the product I posted earlier. It might be a little "tippy". I would be uncomfortable using this in a van also.
I believe this one would be much better.
They both use the same bottle of propane fuel. It is easier to light and cooks easier than the liquid-fuel stoves.
or