Recent arguments for clean diesel are raising questions over the validity of propane autogas as an outstanding choice for school buses. This type of over-simplified information is being widely broadcast. But comprehensive, evidence-based reasoning is what school districts require to make important decisions. School administrators need truth-telling, not storytelling.
So, when it comes to clean diesel and propane autogas, what’s just talk and what’s the truth? Here are just a few factors to consider.
Duty Cycle and Maintenance
Today’s diesel engines are ...