With mounting economic, social, and regulatory pressure, the search for alternatives to petroleum-based fuels is intensifying. The path forward is in developing sustainable, renewable energy sources that have minimal impact on the environment. The search for green energy has produced a number of clean diesel fuels that offer the same or better performance than traditional petroleum diesel, each with their strengths and weaknesses. We take a look at two interesting alternatives to petroleum-based fuels: biodiesel and renewable diesel.
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