In the coming decades, it is expected that globalisation of commodities
and their increasing consumption rates will lead to depletion of natural
resources. In this regard, crude oil is acknowledged worldwide to be a
major unsustainable resource: its consumption has caused an increase
of the global atmospheric concentrations of carbon dioxide (CO2) and
methane (CH4) to levels that have largely exceeded the natural ones
(Sukan et al., 2015). The