LMP1 is, in essence, the manufacturer class. LMP2 is the privateer class. Toyota have shown that a manufacturer petrol programme can compete with diesel so I guess the much maligned regs have always been pretty well constructed.
I think its now obvious a privateer LMP1 effort, diesel or petrol, simply can't compete with the cost and technology that only a works programme can provide.
Even if manufacturer's were to sell their cars to private teams, few, if any, could afford to run them and would probably need significant factory support anyway.
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