An analysis of reduction opportunities for consumption of hydrofluorocarbons and comparisons to US climate policy proposals

Figures & data

Table 1. Summary of greenhouse gas emission reduction proposals.

Proposal	A	B	C	D
Sponsors	Senators Lieberman and Warner	Senator Boxer	Representatives Boucher and Dingell	Representatives Markey and Waxman
Bill number	S.2191	S.3036	None – not introduced	H.R.2454
Title	Lieberman–Warner Climate Security Act of 2007	Lieberman–Warner Climate Security Act of 2008	None	American Clean Energy and Security Act of 2009
Coverage of total US GHG emissions	82%	82%	88%	85%
Emission reduction goals for covered entities^a	2012: 4%	2012: 4%	2020: 6%	2012: 3%
	2020: 19%	2020: 19%	2030: 44%	2020: 20%
	2050: 71%	2050: 71%	2050: 80%	2030: 42%
				2050: 83%
Baseline year for goals^a	2005	2005	2005	2005
Effective date	2012 for most sources; HFC controls become effective in 2010	2012	Different years for different sources; all covered sources phased in by 2022	2012
^a Table 2 provides information on each proposal's specific HFC-related targets.

Table 2. Summary of HFC policy scenarios (Tg CO₂ Eq., % of baseline cap).

Annual decline proposals			Step-down proposals
	A	D		B	C
Baseline	NA	Calculated*	Baseline	NA	Calculated*
Baseline cap	300	370	Baseline cap	289	386
Cap 2010	100%	NA	Cap 2010	NA	NA
Cap 2012	96.3%	90%	Cap 2012	100%	93%
Annual	∼1.8% until 2025	2.5% until 2018	Cap 2020	85%	70%
Reduction	∼3.7% thereafter	4–5% thereafter	Cap 2025	<85%	50%
Freeze year	2037	2033	Cap 2030	55%	30%
Freeze percent	30%	15%	Cap 2035	<55%	25%
			Cap 2040	30%	20%
*Average of 2004–2006 HFC + HCFC consumption.

Figure 1. US HFC consumption baseline and policy scenarios.

Figure 2. US HFC consumption baseline and reduction scenarios.

Figure 3. Marginal abatement cost curves for US consumption, 2020 and 2050.

Figure 4. US HFC consumption baseline, reduction scenarios, and policy scenarios.

Figure 5. US HFC consumption baseline, alternative baseline, reduction scenarios, and policy scenarios.

Figure 6. US HFC consumption baseline, alternative baseline 2, reduction scenarios, and policy scenarios.