Core CPI in the US is misleading, it excludes volatile products like foodstuffs and gas.

Further core cpi is a composite of weighted items.

40% is too low. Gas was about 1.50$ in 2001.
It's around 4$ now.

That's around 200%. - Inline with shadow alternative stats.

Core CPI better measures something like a car. A 2002 m3 cost around 43k new - least options. now the coupe runs around 61. that's near 40%.

Personally, I tend to discount core cpi since those usually are capital purchases vs 'volatile things' you need day to day and do impact you.

Someone please correct my mistake please.