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The document explains how wind energy integrates into the New England electricity grid to displace polluting fossil fuels, particularly natural gas, oil, and coal. It highlights the importance of siting turbines in high-wind areas to maximize pollution reduction and discusses policy mechanisms like cap-and-trade and renewable portfolio standards to accelerate the transition to clean energy.

The document advocates for substantial reductions in shipping emissions to protect public health and the environment, arguing that cost-effective technologies already exist. It proposes that NOx and SOx emissions be reduced by 70-90% for new and existing ships by 2015, with interim NOx reductions of 40-50% by 2010. The authors highlight a significant gap between strict land-based emission standards in the US and EU and the much higher limits currently set by the IMO, noting that shipping emissions in European waters are projected to exceed all land-based European emissions within a decade.

The document reports a decline in US automotive fuel economy from a 1987 peak of 22.1 mpg to approximately 21 mpg in 2005, attributed to increased vehicle weight, horsepower, and the popularity of SUVs and light trucks. It details advanced technologies for efficiency gains, including aerodynamics, low-rolling-resistance tires, hybrid drivetrains, weight reduction, and direct-injection stratified charge (DISC) engines. Additionally, it highlights the impact of basic maintenance—such as tire pressure, air filter replacement, and engine tuning—on fuel economy, and notes that increased efficiency reduces foreign oil dependence and greenhouse gas emissions.

The report examines urine diversion as a sustainable sanitation alternative that separates urine from faeces to facilitate nutrient recycling in agriculture. It details various implementation contexts, from rural areas in West Africa and China to urban settings in Sweden, and provides technical guidelines for toilets, piping, and storage. The document argues that urine diversion can reduce environmental pollution and provide low-cost fertilizer, though it notes challenges regarding pharmaceutical residues and the need for institutional mainstreaming.

The Rocky Mountain Institute (RMI) outlines immediate strategies to lower U.S. crude oil demand, arguing that a 5% to 9% reduction would remove 1.0 to 1.8 million barrels per day from the global market. Proposed measures include reducing speed limits for non-Class 8 vehicles to 60 MPH, increasing the federal Gross Vehicle Weight Rating (GVWR) for trucks to 110,000 lbs, and mandating Auxiliary Power Units (APUs) for new Class 8 tractors. RMI suggests these actions, combined with increased biofuel procurement and the adoption of 'total-flex' vehicle technology, would restore global excess capacity to 2.5 to 3.8 million barrels per day, thereby reducing price volatility.

The document assesses the environmental and health impacts of shipping emissions, noting that they are significantly less regulated than land-based sources. It provides data on global and regional emission inventories, specifically for Europe and the United States, and compares these to land-based mobile sources. The report details several cost-effective mitigation strategies, including the use of low-sulphur fuel, seawater scrubbing, engine modifications, selective catalytic reduction (SCR), and shore-side electrical power ('cold ironing').

The document argues that the technical and economic barriers to a hydrogen economy have been largely resolved. It proposes a decentralized transition strategy starting with fuel cells in buildings and efficient vehicles, utilizing existing natural gas infrastructure as a near-term bridge to renewable sources. The author contends that hydrogen fuel cells are significantly more efficient than internal combustion engines, making hydrogen cost-competitive per mile driven despite higher energy costs per unit. The paper dismisses safety concerns, infrastructure costs, and environmental risks as myths, asserting that a well-designed transition would reduce oil dependence and carbon emissions without requiring a massive federal 'crash program'.

The paper discusses engineering strategies to mitigate climate change, focusing on energy production shifts, technical efficiency, and social changes, while analyzing the ethical risks of nuclear power and carbon capture.

The report evaluates the use of solar PV, wind, mini-hydro, and biomass for rural electrification in developing countries, concluding that technology choice must be driven by local needs and productive use. It highlights that while solar PV is best for low loads, biomass and mini-hydro support more significant economic activities. The document argues that donor agencies should prioritize projects based on poverty alleviation and productive electricity use, support national energy policies, and accept higher risks for technology adaptation and workforce development.

The document examines the physical constraints of space operations, arguing that while space is uniquely suited for civilian and reconnaissance missions, it is poorly suited for kinetic ground-attack and boost-phase missile defense due to high costs, reliability issues, and intrinsic vulnerabilities. It details the mechanics of various orbits (LEO, MEO, GEO, Molniya, Tundra), the propellant requirements for maneuvering, and the technical methods for interfering with satellites, including jamming, dazzling, and kinetic energy attacks. The authors conclude that being the first to deploy space-based weapons would not confer a lasting military advantage because space lacks strategic locations and satellites remain inherently vulnerable.

The document argues that home lighting efficiency is best achieved through a 'whole-system' approach rather than simple bulb replacement. It highlights the benefits of Compact Fluorescent Lamps (CFLs) and emerging LED technology, while strongly advising against the use of halogen torchieres due to fire risks and energy waste. The briefing also emphasizes the role of lighting controls, task lighting, and daylighting in reducing electricity consumption and improving well-being.

The document describes how automated air/fuel ratio (AFR) controls can optimize the operation of natural gas engines to reduce fuel consumption and emissions. It highlights a case study where the installation of the REMVue system on 51 engines in the Gulf of Mexico led to fuel savings of 18-24% and a reduction of 128 Mcf of methane emissions per unit annually. The economic analysis indicates a total cost of $6.1 million for the project, with an average installation cost of $120,000 per unit and a calculated payback period of 1.4 years based on fuel savings.

The document outlines how the use of monitoring equipment, process models, and regular maintenance of heat exchangers in cryogenic Nitrogen Rejection Units (NRUs) can reduce methane loss in vent streams. It highlights a specific case where process adjustments reduced methane content in the vent stream from 5% to 2%, resulting in significant gas recovery.

The document outlines a method for recovering gas from pipeline pigging, where liquids are removed from gathering systems using pigs. It details the necessary equipment, such as vapor recovery compressors and storage tanks, and provides economic data showing that small recovery systems can be installed for approximately $24,000 with annual operating costs exceeding $1,000.

The document outlines the use of electronic flare ignition devices to replace traditional continuous or intermittent flames in flare stacks, preventing the release of unburned methane and volatile organic compounds (VOCs) when flames are extinguished by wind. It highlights that these devices can be powered by solar-charged batteries in remote areas and may be paired with flame sensors to shut off gas flow. Economically, the primary driver is the saving of natural gas that would otherwise be burned as a pilot flame, with a reported payback period of less than three years and a methane reduction of 168,000 standard cubic feet per year per device replacing a flame that is out for 24 hours annually.

The document details the use of an ejector—a Venturi-style pipe opening—to mitigate methane emissions during the maintenance of compressors and pipelines. By using high-pressure gas to draw low-pressure gas into a medium-pressure stream, the system avoids atmospheric venting. One partner, Marathon Oil Company, reported saving over 8,000 cubic feet of gas over 55 months using this method. The analysis suggests a single ejector used once a year to drain a 2-mile, 18-inch pipeline can reduce emissions by 700,000 cubic feet per year, with a potential return on investment in less than three years.

The document describes the transition from gas-expansion turbine starters to electric starters for internal combustion engines used in compressors, generators, and pumps within the natural gas sector. It highlights that electric starters eliminate methane venting and leakage, potentially reducing emissions by 23,000 to 600,000 cubic feet per year per unit. The analysis suggests the project can achieve a return on investment in less than three years, depending on capital costs and electricity prices.

The document outlines a technical opportunity to mitigate methane emissions by using pressurized storage for condensate instead of atmospheric storage, which prevents the flashing of methane into the air. Based on data from Burlington Resources, the implementation of four pressurized tanks resulted in total savings of 27,992 thousand cubic feet per year, with methane savings specifically accounting for 7,000 thousand cubic feet per year. The capital cost for installation in 1998 was 37,500 USD, with annual operating costs of 2,500 USD, allowing the methane recovery savings to cover costs within two years.

The document outlines a technical opportunity to reduce methane emissions in natural gas production by installing velocity tubing strings. These strings increase gas flow velocity to remove reservoir liquids without venting gas to the atmosphere. One reported case showed a reduction of 4,680 thousand cubic feet of methane emissions per year per well by eliminating bi-weekly venting. The technology is most applicable to wells with relatively small liquid production and higher reservoir pressure, with a potential payback period of less than three years.

The document outlines a method for reducing methane emissions during compressor shutdowns by redirecting purge gas to a fuel gas system. This practice, reported by the Phillips Enron Gas Pipeline Group, can recover approximately 12,000 cubic feet of gas per shutdown event. For a station with six compressors experiencing 42 shutdowns annually, the estimated savings are 500,000 cubic feet of methane per year. Capital costs for necessary piping and valves are estimated between $900 and $1,600 per compressor, with a projected payback period of less than three years based on a gas price of $3 per thousand cubic feet.