I know something that needs regulation, PC power consumption. I would limit every PC to 500w.
Just have PCIe-SIG to actually enforce specifications.And power limits on individual components would be extraordinarily complicated and have massive unintended consequences.
Some USA states already tried didnt they?
High-End Gaming PCs Banned in 6 US States Based on an Energy Bill
Consoles have survived the bill but PCs not.www.dualshockers.com