Mixed impure adulterated contaminated diluted alloyed polluted spoiled tainted corrupted debased soiled blended put together compounded incorporated unclarified mingled commingled merged intermingled sullied intermixed amalgamated joined defiled fused connected befouled fouled united besmirched conjoined coalesced watered-down doctored cheapened See Extra Industrial gasification plant... https://andresnrrww.blogmazing.com/37300968/biofuel-companies-an-overview