• We define and formalize a framework to mine labour market trends from both supply and demand labour market dynamics using online web sources. • The framework is evaluated in the EVs case study, as EVs are the “clean” part of the green economy related to the automotive sector. • We evaluate the efficiency of historical data leveraged by software engineering communities as alternative labour market sources. • We connect the topic modeling results with EVs bibliographic trends. Since job characteristics in areas related to the green economy and Industry 4.0 are changing rapidly, combined methodologies to measure the labour demand and supply are needed. One substantial aspect of this emerging sector is the shift of the automotive industry towards the production of electric vehicles (EVs). The automotive sector is a major employer in Europe, directly employing over 2.8 million people. However, little is known about the effects this structural transformation of the automotive industry will have on labor markets, in particular in the area of information and communications technology (ICT). This prevents effective planning by educational institutions, who seek to prepare their students for future labor markets, and industry stakeholders aiming to assemble effective teams. In this paper, we develop a framework to analyze labor market trends using digital trace data, and apply it to the case of the EV industry. We track demand-side trends in the labor market using job advertisements from LinkedIn and supply-side trends using data from StackExchange and GitHub. Using natural language processing methods, we categorize the skills sought by EV industry employers on the demand side and topics of interest to individuals on the supply side. We also highlight those programming languages and frameworks most salient in the EV industry.