A comparison of the prices of crude oil and TDTO from 2011–2021.

Year	Crude oil price (US $ bbl per d)31	Trye derived oil price US $
2011	96.91
2012	97.03
2013	100.28	0.43 L−1 (ref. 32)
2014	94.96	0.52 L−1 (ref. 33)
2015	54.14
2016	45.97	0.26 kg−1a (ref. 34)
2017	52.74
2018	68.04
2019	59.60	3.50 L−1 (ref. 28)
2020	42.84	0.844 L−1 (ref. 35)
2021 (January)	54.41

^aKilograms (kg).