Supplement Tables to the Annual Energy Outlook 2003

Table 55. Freight Transportation Energy Use <

																											2001-
	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	2025
Existing Trucks by Size Class
Vehicle Miles Traveled (billion miles)
Medium
Diesel	31.98	32.03	31.88	33.29	34.57	35.46	36.57	37.88	39.17	40.64	42.29	43.88	45.33	46.68	48.13	49.47	50.79	52.28	53.87	55.59	57.16	58.76	60.55	62.33	64.28	65.98	3.1%
Gasoline	15.71	14.05	13.23	13.12	12.77	12.21	11.77	11.40	11.03	10.73	10.52	10.34	10.18	10.03	9.95	9.86	9.80	9.79	9.79	9.82	9.82	9.83	9.87	9.92	10.00	10.06	-1.4%
Liquefied Petroleum Gas	0.44	0.38	0.35	0.33	0.31	0.30	0.29	0.29	0.30	0.32	0.33	0.35	0.37	0.38	0.39	0.40	0.40	0.41	0.42	0.42	0.43	0.44	0.45	0.46	0.47	0.48	1.0%
Compressed Natural Gas	0.04	0.04	0.06	0.08	0.13	0.19	0.27	0.36	0.47	0.60	0.73	0.86	0.99	1.11	1.23	1.33	1.42	1.50	1.58	1.67	1.74	1.80	1.87	1.94	2.01	2.07	17.4%
Medium Subtotal	48.16	46.51	45.52	46.82	47.78	48.17	48.90	49.93	50.97	52.29	53.87	55.43	56.86	58.21	59.70	61.06	62.41	63.98	65.66	67.50	69.15	70.84	72.74	74.65	76.77	78.59	2.2%
Heavy
Diesel	157.28	157.51	156.57	163.41	170.18	175.12	180.85	187.31	193.40	200.18	207.64	214.72	221.03	226.69	232.63	237.75	242.62	248.09	253.90	260.33	266.04	271.92	278.71	285.47	292.92	299.12	2.7%
Gasoline	1.85	1.58	1.44	1.38	1.31	1.23	1.17	1.12	1.08	1.05	1.04	1.04	1.04	1.04	1.05	1.05	1.06	1.08	1.09	1.11	1.13	1.15	1.18	1.20	1.23	1.26	-0.9%
Liquefied Petroleum Gas	0.02	0.03	0.03	0.05	0.06	0.09	0.10	0.13	0.14	0.16	0.18	0.19	0.20	0.21	0.21	0.21	0.21	0.21	0.21	0.21	0.21	0.21	0.22	0.22	0.23	0.23	9.6%
Compressed Natural Gas	0.02	0.04	0.05	0.08	0.13	0.19	0.27	0.36	0.46	0.56	0.66	0.76	0.85	0.91	0.97	1.01	1.04	1.06	1.09	1.11	1.14	1.16	1.19	1.22	1.25	1.27	16.1%
Heavy Subtotal	159.17	159.15	158.09	164.91	171.68	176.63	182.39	188.92	195.09	201.96	209.52	216.71	223.11	228.85	234.85	240.03	244.93	250.44	256.29	262.77	268.52	274.45	281.30	288.12	295.63	301.88	2.7%
Total Vehicle Miles Traveled	207.34	205.66	203.61	211.74	219.47	224.79	231.29	238.85	246.05	254.25	263.40	272.14	279.97	287.06	294.55	301.08	307.35	314.42	321.95	330.27	337.67	345.28	354.04	362.77	372.40	380.47	2.6%
Consumption (trillion Btu)
Medium
Diesel	490.80	488.07	482.98	501.97	519.22	530.86	546.30	565.19	584.10	606.03	630.63	654.37	676.09	696.31	718.02	737.88	757.58	779.71	803.25	828.84	852.12	875.93	902.45	928.88	957.84	983.07	3.0%
Gasoline	233.98	208.42	195.64	193.40	187.71	179.14	172.28	166.49	160.71	156.09	152.69	149.66	146.90	144.48	142.90	141.37	140.14	139.61	139.38	139.47	139.15	138.99	139.26	139.64	140.55	141.09	-1.6%
Liquefied Petroleum Gas	8.96	7.78	7.03	6.60	6.15	5.72	5.48	5.40	5.45	5.62	5.83	6.06	6.26	6.41	6.54	6.62	6.68	6.76	6.84	6.94	7.02	7.11	7.24	7.40	7.58	7.75	0.0%
Compressed Natural Gas	0.62	0.74	0.95	1.35	2.05	3.03	4.24	5.74	7.47	9.42	11.50	13.62	15.66	17.55	19.31	20.87	22.27	23.61	24.89	26.16	27.28	28.34	29.44	30.51	31.62	32.55	17.1%
Medium Subtotal	734.36	705.01	686.61	703.32	715.12	718.75	728.30	742.83	757.74	777.15	800.65	823.72	844.90	864.75	886.78	906.74	926.67	949.69	974.37	1001.42	1025.57	1050.37	1078.39	1106.43	1137.59	1164.47	2.1%
Heavy
Diesel	3606.13	3587.55	3547.49	3688.47	3830.69	3934.47	4060.10	4204.26	4341.11	4493.21	4658.28	4809.92	4936.88	5041.72	5143.75	5219.25	5283.47	5358.80	5437.66	5529.05	5607.92	5694.15	5803.00	5915.11	6045.39	6153.24	2.3%
Gasoline	33.44	28.40	25.69	24.64	23.32	21.82	20.66	19.75	18.98	18.47	18.20	18.04	17.95	17.91	17.98	18.05	18.16	18.35	18.60	18.91	19.18	19.49	19.89	20.31	20.81	21.25	-1.2%
Liquefied Petroleum Gas	0.35	0.46	0.61	0.82	1.13	1.48	1.82	2.17	2.51	2.83	3.11	3.34	3.51	3.61	3.66	3.66	3.63	3.61	3.59	3.60	3.62	3.66	3.72	3.80	3.89	3.96	9.3%
Compressed Natural Gas	0.42	0.62	0.90	1.38	2.21	3.33	4.64	6.18	7.86	9.63	11.40	13.08	14.54	15.74	16.71	17.40	17.90	18.32	18.72	19.18	19.59	20.01	20.52	21.00	21.48	21.79	16.0%
Heavy Subtotal	3640.34	3617.04	3574.69	3715.30	3857.36	3961.09	4087.22	4232.36	4370.45	4524.13	4690.99	4844.38	4972.88	5078.99	5182.10	5258.37	5323.16	5399.08	5478.57	5570.73	5650.31	5737.30	5847.13	5960.23	6091.58	6200.24	2.3%
Medium and Heavy Total
Diesel	4096.93	4075.63	4030.47	4190.44	4349.90	4465.33	4606.40	4769.46	4925.21	5099.24	5288.92	5464.29	5612.96	5738.04	5861.77	5957.13	6041.05	6138.51	6240.91	6357.89	6460.04	6570.08	6705.45	6843.99	7003.23	7136.32	2.4%
Gasoline	267.43	236.82	221.34	218.04	211.03	200.96	192.93	186.25	179.69	174.56	170.89	167.71	164.86	162.39	160.88	159.42	158.30	157.96	157.98	158.37	158.33	158.49	159.16	159.95	161.37	162.34	-1.6%
Liquefied Petroleum Gas	9.31	8.24	7.64	7.42	7.28	7.20	7.30	7.57	7.96	8.44	8.94	9.40	9.76	10.02	10.20	10.28	10.31	10.36	10.43	10.54	10.64	10.76	10.96	11.20	11.48	11.70	1.5%
Compressed Natural Gas	1.04	1.36	1.86	2.72	4.26	6.35	8.89	11.92	15.33	19.04	22.90	26.70	30.20	33.29	36.02	38.27	40.17	41.93	43.62	45.34	46.87	48.34	49.96	51.51	53.10	54.35	16.6%
Total	4374.71	4322.05	4261.30	4418.62	4572.48	4679.84	4815.52	4975.20	5128.19	5301.28	5491.64	5668.10	5817.78	5943.74	6068.88	6165.11	6249.83	6348.77	6452.93	6572.15	6675.88	6787.67	6925.52	7066.66	7229.17	7364.71	2.2%
Fuel Efficiency (gasoline equivalent)
Medium
Diesel	8.19	8.26	8.30	8.33	8.35	8.37	8.39	8.40	8.41	8.42	8.42	8.43	8.43	8.44	8.44	8.44	8.44	8.45	8.45	8.45	8.45	8.45	8.45	8.45	8.45	8.45	0.1%
Gasoline	8.40	8.42	8.44	8.46	8.48	8.51	8.52	8.54	8.57	8.59	8.61	8.63	8.66	8.68	8.70	8.73	8.75	8.78	8.80	8.83	8.85	8.88	8.90	8.92	8.94	8.96	0.3%
Liquefied Petroleum Gas	6.16	6.20	6.26	6.33	6.43	6.54	6.64	6.75	6.86	6.97	7.07	7.16	7.24	7.32	7.38	7.43	7.48	7.52	7.56	7.60	7.63	7.66	7.69	7.72	7.75	7.77	0.9%
Compressed Natural Gas	7.40	7.58	7.70	7.79	7.85	7.88	7.89	7.89	7.90	7.90	7.91	7.92	7.93	7.93	7.94	7.94	7.94	7.95	7.95	7.95	7.95	7.95	7.95	7.95	7.95	7.95	0.2%
Medium Average	8.24	8.29	8.32	8.35	8.37	8.39	8.41	8.42	8.43	8.44	8.45	8.45	8.46	8.46	8.47	8.47	8.48	8.48	8.48	8.49	8.49	8.49	8.50	8.50	8.50	8.50	0.1%
Heavy
Diesel	5.46	5.49	5.52	5.54	5.56	5.57	5.57	5.57	5.57	5.57	5.57	5.58	5.60	5.62	5.66	5.70	5.74	5.79	5.84	5.89	5.93	5.97	6.01	6.04	6.06	6.08	0.4%
Gasoline	6.91	6.95	6.99	7.02	7.05	7.07	7.09	7.10	7.12	7.14	7.16	7.19	7.22	7.24	7.27	7.29	7.31	7.33	7.35	7.36	7.38	7.39	7.40	7.41	7.42	7.43	0.3%
Liquefied Petroleum Gas	6.60	6.84	6.97	7.06	7.13	7.18	7.20	7.22	7.23	7.24	7.25	7.25	7.26	7.26	7.26	7.26	7.26	7.26	7.26	7.27	7.27	7.27	7.27	7.27	7.27	7.27	0.3%
Compressed Natural Gas	7.00	7.08	7.14	7.18	7.22	7.24	7.25	7.25	7.26	7.26	7.26	7.27	7.27	7.27	7.27	7.27	7.27	7.27	7.27	7.27	7.27	7.27	7.27	7.27	7.27	7.27	0.1%
Heavy Average	5.47	5.50	5.53	5.55	5.57	5.58	5.58	5.58	5.58	5.58	5.59	5.60	5.61	5.64	5.67	5.71	5.75	5.80	5.85	5.90	5.94	5.98	6.02	6.05	6.07	6.09	0.4%
Average	5.93	5.95	5.98	5.99	6.00	6.01	6.01	6.00	6.00	6.00	6.00	6.01	6.02	6.04	6.07	6.11	6.15	6.19	6.24	6.29	6.33	6.36	6.39	6.42	6.44	6.46	0.3%
Stock (millions)
Medium
Diesel	1.94	2.01	2.07	2.14	2.23	2.35	2.45	2.56	2.67	2.78	2.90	3.02	3.15	3.27	3.39	3.50	3.61	3.72	3.82	3.93	4.05	4.16	4.28	4.41	4.52	4.63	3.5%
Gasoline	2.08	2.02	1.96	1.90	1.85	1.81	1.76	1.72	1.68	1.64	1.60	1.57	1.54	1.51	1.48	1.45	1.43	1.40	1.38	1.36	1.34	1.33	1.32	1.31	1.30	1.29	-1.9%
Liquefied Petroleum Gas	0.05	0.05	0.05	0.04	0.04	0.04	0.04	0.04	0.04	0.04	0.04	0.04	0.04	0.04	0.04	0.04	0.04	0.04	0.04	0.05	0.05	0.05	0.05	0.05	0.05	0.05	0.2%
Compressed Natural Gas	0.01	0.01	0.01	0.01	0.01	0.01	0.02	0.02	0.03	0.04	0.05	0.06	0.07	0.08	0.09	0.10	0.11	0.12	0.13	0.14	0.14	0.15	0.16	0.17	0.18	0.19	15.4%
Medium Subtotal	4.08	4.09	4.08	4.09	4.14	4.21	4.28	4.34	4.42	4.50	4.59	4.69	4.79	4.90	5.00	5.10	5.19	5.28	5.37	5.47	5.58	5.69	5.81	5.93	6.05	6.15	1.7%
Heavy
Diesel	4.06	4.16	4.24	4.32	4.47	4.64	4.81	4.98	5.15	5.33	5.53	5.73	5.93	6.13	6.32	6.50	6.67	6.83	6.99	7.15	7.32	7.49	7.68	7.85	8.02	8.17	2.9%
Gasoline	0.39	0.37	0.34	0.32	0.30	0.28	0.27	0.25	0.24	0.23	0.21	0.21	0.20	0.19	0.18	0.18	0.17	0.17	0.16	0.16	0.16	0.16	0.16	0.16	0.16	0.16	-3.5%
Liquefied Petroleum Gas	0.00	0.00	0.00	0.00	0.00	0.00	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	7.6%
Compressed Natural Gas	0.00	0.00	0.00	0.00	0.01	0.01	0.01	0.01	0.02	0.02	0.03	0.03	0.04	0.04	0.05	0.06	0.06	0.07	0.07	0.07	0.08	0.08	0.09	0.09	0.09	0.10	15.9%
Heavy Subtotal	4.45	4.53	4.59	4.65	4.78	4.94	5.09	5.25	5.41	5.59	5.78	5.97	6.17	6.37	6.56	6.75	6.92	7.08	7.24	7.40	7.58	7.75	7.94	8.12	8.29	8.45	2.6%
Total Stock	8.53	8.62	8.67	8.74	8.92	9.15	9.37	9.59	9.83	10.09	10.37	10.67	10.97	11.27	11.56	11.84	12.11	12.35	12.61	12.87	13.16	13.44	13.75	14.05	14.34	14.60	2.2%
New Trucks by Size Class
Fuel Efficiency (gasoline equivalent)
Medium
Diesel	8.79	8.79	8.67	8.59	8.52	8.50	8.48	8.48	8.48	8.47	8.47	8.46	8.46	8.46	8.46	8.46	8.46	8.46	8.46	8.46	8.46	8.46	8.46	8.46	8.46	8.46	-0.2%
Gasoline	9.02	9.02	8.99	8.97	8.94	8.92	8.90	8.89	8.91	8.92	8.95	8.96	8.98	9.00	9.03	9.06	9.10	9.13	9.16	9.18	9.20	9.20	9.20	9.20	9.20	9.20	0.1%
Liquefied Petroleum Gas	8.03	8.03	8.01	7.99	7.97	7.96	7.95	7.94	7.95	7.97	7.98	7.99	8.00	8.00	8.00	8.00	8.00	8.00	8.00	8.00	8.00	8.00	8.00	8.00	8.00	8.00	0.0%
Compressed Natural Gas	8.02	8.01	7.99	7.97	7.95	7.92	7.91	7.90	7.91	7.92	7.94	7.95	7.96	7.96	7.96	7.96	7.96	7.96	7.96	7.96	7.96	7.96	7.96	7.96	7.96	7.96	0.0%
Medium Average	8.83	8.82	8.72	8.64	8.57	8.54	8.52	8.52	8.51	8.51	8.50	8.50	8.50	8.50	8.51	8.51	8.51	8.51	8.52	8.52	8.52	8.52	8.52	8.52	8.52	8.52	-0.1%
Heavy
Diesel	5.77	5.77	5.76	5.68	5.63	5.61	5.59	5.58	5.58	5.59	5.61	5.65	5.72	5.80	5.89	5.99	6.07	6.12	6.18	6.21