It was very nice meeting you yesterday. Appreciate your time explaining so patiently. You friends have done what we just think/talk.
Really impressed with your enthusiasm explain your work to others. Simply, great work must be propagated and your doing just great there.
I strongly feel, you should approach Gen-set manufacturers to consider your technology and come with Bio-gas based Gen-sets. Probably consider develop Diesel-Biogas conversion kit(product). As you know power is one big problem in rural area.
Just a thought, like milk cooperatives/federation, one day, could there be co-operative movement of Power generating farms?!!!
Another important aspect you mentioned is " 'Increasing the shelf-life of your products and by-products'. I saw so many products which has potential grow into ful-fledged industry. Like Growing Protein rich algae, special food(I dont remember the name, the one fermented with jaggary), organic manure(probably dried.
Wish you all the best with your Vegetable project.