OECD	Organization for Economic Co-operation and Development
ICT	Information Communication Technology
COVID-19	Coronavirus Disease 2019
CCUS	Carbon Capture, Utilization, and Storage
IEA	International Energy Agency
EU	European Union
UN	United Nations
US	United States
USD	United States Dollar
GDP	Gross Domestic Product
GEVI	Global Energy Vulnerability Index
EPS	Economy Prediction System
CAFE	Corporate Average Fuel Economy
Sivqr	Smoothed IV quantile regression
IMF	International Monetary Fund
IoT	Internet of Things
R&D	Research and Development
OLS	Orthogonal Least Square
2SLS	Two Stage Least Square
IV-GMM	Independent Variable Gaussian Mixed Model
5G	5th Generation