Some fear that frontrunner Andrés Manuel López Obrador may try to reverse or at least slow down the 2014 energy reform.
Bnamericas presents a list of programs and proposals currently underway in the oil & gas and electric power sectors.
As well costs drop, unconventional production is ramping up in Argentina but a completely deregulated market is necessary to create more flexibility, says Amanda Kupchella, a Wood Mackenzie research analyst.
The national biofuel policy is seen as key driver of this growth.
A BNamericas survey reveals returning optimism in the region's oil and gas sector.
In its latest monthly report, the US Energy Information Administration says Brent crude will average US$59.74/b this year, up 4.3% from the December forecast.