The three European oil supermajors – BP, Shell and Total – are all back to their old ways, financially at least. In their quarterly reports this week, all three announced a return to pre-pandemic levels of profit. Their struggles with the pandemic are not yet over – demand still remains suppressed due to global travel restrictions – but as cash flows start to increase, the climate promises that all three made will now be tested. Were they simply trying to keep investors sweet with false promises of transformation, or will we see a huge wave on investment in clean energy from some of the world’s most powerful companies? All three have announced plans to reach net zero emissions by 2050,…