The cost of energy was dirt cheap in the spring of 2020 as roads and airports sat nearly empty during the height of the Covid-19 pandemic. Energy demand is back today as the world economy reopens -- but supply simply hasn't kept up. That's why US oil prices have skyrocketed $120 since crashing to negative $40 a barrel in April 2020. US oil prices finished above $80 a barrel on Monday for the first time in nearly seven years. Crude gained 1.5% to end the day at $80.52. The last time oil closed above $80 was October 31, 2014. All of this is leading to sticker shock for many Americans filling up at the pump -- at a time ... (full story)