Energy efficiency in transportation

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Energy, Energy conservation, Energy development, Energy transition, Energy transformation, Primary energy, Energy storage, Office of Energy Efficiency and Renewable Energy, Energy poverty, Energy policy, Energy economics, Energy density, Energy independence, Efficient energy use, Energy accounting, Energy harvesting, Renewable energy, Potential energy, Energy return on investment, Energy engineering, Energy system, World energy supply and consumption, Energy audit, Energy planning, Conservation of energy, Sustainable energy, Energy law, Kinetic energy, Energy security, Energy Star, Energy market, Energy-Safety and Energy-Economy, Ministry of energy, Ministry of Energy (Ukraine), GenOn Energy, Ionization energy, Net energy gain, Electric potential energy, Energy consumption, Energy service company, Specific energy, Energy efficiency, Energy intensity, Mechanical energy, Quantum chromodynamics binding energy, Surface energy, Energy modeling, Renewable energy commercialization, Energy level, Energy Community, DTE Energy, Energy (esotericism), Embodied energy, Outline of energy, Energy superpower, Energy Charter Treaty, Energy condition, Renewable energy in Russia, Energy industry, Renewable energy law, Zero-energy building, Energy in Taiwan, Marine energy, Energy in Kazakhstan, Energy homeostasis, EDF Energy, Solar energy, Energy policy of the United Kingdom, Internal energy, Shenzhen Energy, Energy World, Elastic energy, Energy in Iran, Ministry of Energy (Russia), Energy management software, Stress–energy tensor, Activation energy, Octopus Energy, Energy efficiency in transport, Secretariat of Energy, Tesla Energy, Constellation Energy, Energy in Japan, Energy in Romania, Energy in Switzerland, Energy in Turkey, Waste-to-energy, Gibbs free energy, Renewable energy in Bangladesh, Binding energy, Energy policy of Pakistan, Energy crisis, Energy policy of the European Union, Energy drink, Terna Energy, Genie Energy, Mass–energy equivalence, Energy policy of Australia, Energy supply, CMS Energy, Energy-plus building, Energy in the United States, Expand Energy, Good Energy, Office of Nuclear Energy, Consol Energy, Energy crop, United States Department of Energy, NRG Energy, The Energy Journal, Helmholtz free energy, United States Secretary of Energy, Energy policy of Malaysia, Devon Energy, Earth's energy budget, Thermodynamic free energy, 5-hour Energy, Climate and energy, Low-energy house, Federal Energy Administration, Energy in Belize, Energy policy of China, Energy Transfer, Energy Task Force, Energy in Victoria, Atmos Energy, Gravitational energy, Geothermal energy, Universe of Energy, Progress Energy Inc, Self-energy, Lattice energy, Electrical energy, Energy subsidy, Co-op Energy, Energy Saving Trust, Energy cascade, List of energy storage power plants, Qulliq Energy, Energy medicine, Zero-point energy, Ministry of Energy (Ontario), Jizhong Energy, Energy policy of Canada, Energy in the United Kingdom, Energy expenditure, Just Energy, Energy in Jordan, EVE Energy, Chemical energy, Spectra Energy