Gasoline to oil price ratio widest in history

It's now at: $0.48 per L of oil versus $1.30/L of gasoline. A near

1:3 ratio. 4 years ago, it was $80/L for oil and $1.40/L gasoline, a 1:1.75 ratio. Gasoline is almost twice as expensive as 4 years ago, compared to oil.