While the overly simplistic capitalist view I expressed may seem naive it would also be naive to assume that there is such a solution While there are exceptions to every rule it is generally a good assumption that price and performance will diverge Unless the answer is exceedingly simple and cheap you will be at a competitive disadvantage if only because you have research and development expenses to cover in the sale of your product Debate of market economics aside as this is not the place I still feel the last sentence is either not very encyclopedic lack of supporting research or citation or not clearly conveying its message and therefore should be removed I would gladly cede this argument in the face of evidence that such a product existed but a quick search for such research did not reveal any A common environmentally friendly alternative to washer fluid frequently quoted is to use vinegar and water but seeing as how acetic acid the main component of vinegar freezes at 16 5 C I do not think it would be effective in cold climates Maybe there is an acceptable middle ground