Perhaps the first thing that comes to mind when someone mentions ‘solar power’, is an array of bluish photovoltaic (PV) panels, often visible on residential rooftops.
Diesel engine emissions (NOx) and laughing gas (N2O) may be denoted similarly, but the resource implications associated with their release as pollutants are quite different.
Book review. Another signal markets harm as well as help: externalities, inequality and now, Phishing for Phools. George A. Akerlof and Robert J. Shiller, Princeton University Press 2015.