The main purpose of this paper is to assess efficiency of the Brazilian electricity generation mix proposed in the 2020 Decennial Plan for Energy Expansion (DPEE 2020). It evaluates estimated costs, risks and CO2 emissions following the mean–variance portfolio theory. The efficiency frontier...

Following the goal of improving on-road fuel efficiency, the Spanish Government engaged in an active policy called the dieselization between 1998 and 2006, which was intended primarily for light duty vehicle (mostly passenger cars and SUV’s). However, the effect of the dieselization on...