A “US$16.6 billion” (line 36) refers to the amount of money saved by OECD members on new energy R&D two years ago.
B “$10b” (line 38) refers to the amount of money invested by OECD members on new energy R&D in 2010.
C “£2.5 billion” (line 42) refers to the figure invested by the UK government in nuclear power stations and offshore wind turbines in the previous decade.
D “more than 30% up or down” (lines 54-55) refers to the budget fluctuations in all technology areas funded by the US Department of Energy from 1990 to 2017.
E “by 35%” (line 56) refers to the Trump administration’s estimated increase in the 2018’s energy R&D budget.