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The document details US efforts to reach a goal of one million electric vehicles by 2015, focusing on federal, state, and local deployment programs, the role of commercial and government fleets, and proposed legislation to incentivize PEV adoption and infrastructure.

RMI worked with H-E-B to implement a whole-system design for a new store at Austin's former airport site, targeting 50 percent energy savings through integrative moves in refrigeration, lighting, and building insulation. The project serves as a catalyst for H-E-B to apply these efficiency strategies across its wider store portfolio.

District energy systems provide centralized heating and cooling to multiple buildings via underground pipes, utilizing sources such as combined heat and power (CHP) plants, waste heat, and renewables. In the United States, over 700 such systems exist, offering benefits like reduced fuel consumption, lower peak electrical demand, and decreased greenhouse gas emissions. While high upfront infrastructure costs can be a barrier, examples from universities and city centers demonstrate significant energy savings and carbon reductions.

The report outlines a pathway for Seattle to reach net zero greenhouse gas emissions by 2050. By implementing aggressive strategies across transportation, buildings, and waste, the city could reduce per capita core emissions by 91% relative to 2008 levels. Key drivers include a massive shift toward electric vehicles, deep energy efficiency retrofits in the built environment, and a transition to low-carbon energy sources like biomass-fired district energy. While the scenario achieves a 90% reduction in core emissions, the report notes that the final 10% may require offsets or sequestration.

The report documents that commuters in cars, buses, trains, and ferries are routinely exposed to high levels of diesel exhaust, with ultrafine particles (UFPs) serving as the most sensitive marker of fresh diesel emissions. Findings indicate that diesel soot dominates roadway particulate matter and that in-vehicle exposures are significantly higher than ambient outdoor air, particularly in 'pull' trains and highway tunnels. The study concludes that diesel particulate filters (DPFs) are highly effective at eliminating the soot plume behind vehicles, significantly improving air quality for following commuters and pedestrians.

The Clean Air Task Force (CATF) conducted monitoring in Austin, Boston, New York City, and Columbus to assess diesel exhaust exposure during commutes. The study found that commuters in cars, buses, and trains are exposed to diesel particle levels significantly higher than ambient outdoor air, with the highest concentrations occurring in the presence of heavy truck traffic or when trains are pulled by locomotives. The report highlights that while commuting accounts for only about 6% of a person's day, it may contribute over half of their daily exposure to ultrafine particles. To mitigate these risks, the report recommends retrofitting existing diesel engines with diesel particulate filters (DPFs), which can reduce particle emissions by up to 90%.

The report analyzes the energy-intensive nature of the Texas transportation system, which is heavily dependent on petroleum. Using the LEAP/EDB model, it compares a Reference Scenario (status quo) against four alternatives: Rollback, Moderate, Aggressive, and Visionary. The findings indicate that while the Reference Scenario projects a 44.2% increase in energy use by 2020, the Visionary Scenario could reduce energy consumption to levels below 1994 totals. The study emphasizes that aggressive pricing and technological shifts are necessary to achieve significant energy savings and air quality improvements.

In 2014, global investment in low-carbon technology and climate resilience reached $391 billion, an 18% increase from 2013. Renewable energy attracted $292 billion, with private capital accounting for 75% of this investment. China, the U.S., and Japan were the top three investors. The document also notes that nearly 50% of all new power installed globally in 2014 was renewable, with solar and wind making up 95 GW of the 103 GW added. In the U.S., declining costs are evident in solar PV bids and LED light bulb prices, with Lazard's LCOE data showing utility-scale solar and wind are cost-competitive with natural gas and coal.

The document proposes a two-step emissions target mechanism—periodic evaluation and triggered policy changes—to ensure a U.S. carbon tax meets national GHG goals. It suggests four types of trigger responses: automatic tax rate adjustments, increased government spending for emissions reduction, activating 'back-stop' regulations, or streamlined legislative modification. Additionally, it identifies three categories of complementary policies to enhance cost-effectiveness: support for low-carbon innovation (RDD&D), consumer energy savings incentives, and policies targeting 'uncovered' emissions or non-climate co-benefits.