Solutions + Features

June 10, 2014

The Gas Tax: A System at Risk

With increasing fuel efficiency and the advent of plug-in electric vehicles, the gas tax's days may be numbered. Perhaps most problematic is inconsistency in U.S. national policy. In essence, the backbone of transportation finance depends on the taxation of a commodity (gas) that we actively discourage be used. Read More

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April 15, 2014

Modernising Cambodia’s Historic Aviation Infrastructure

Following the independent engineering services CDM Smith provided for ongoing infrastructure development,Cambodia’s domestic and international airports now exceed international standard and are more than prepared for further increases in business and tourist traffic.

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April 07, 2014

Widening Mobility Funding Gap Fuels Urgency

The U.S. Department of Transportation estimates that the Highway Trust Fund balance will hit zero sometime around July or August 2014—less than 6 months from now. When that happens, if no new transfers are made, funding to the states will stop. Will congressional gridlock impede a sustainable funding solution?

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March 17, 2014

Will Benchmarking Really Benefit Municipalities?

New federal legislation may require benchmarking energy use for municipal buildings, which can lower costs and reduce harmful emissions in our cities.

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December 02, 2013

Obstacles and Potholes in the Path to Interstate Tolling

The path to interstate tolling is littered with obstacles and pitfalls, like the current federal ban on tolling existing free roads and the lack of a nationwide toll interoperability agreement. Overcoming these will require Congress to act.

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October 31, 2013

Currents: District Energy as a Distributed Resource

In the latest issue of our energy e-series, our specialists discuss the benefits of distributed energy, the role of district systems in updating aging infrastructure, and changing regulations that may affect funding for energy efficient projects in the United States.

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October 16, 2013

Will Anaerobic Digestion Make Utilities Energy Independent?

As utilities seek a path to energy independence, anaerobic digestion—one of the readily accessible sources of renewable energy in wastewater treatment facilities—could offer the best direction.

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July 30, 2013

Electronic Tolling: Key to Rebuilding the Interstate System

In 50 years, roughly $2.5 trillion will be spent on the upkeep of the interstate highway system, unless a more sustainable source of revenue is found. As states look for new ways to pay for rebuilding and preserving these roads, electronic tolling is gaining interest as a long-term solution.

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May 28, 2013

Currents: Biofuels, Waste-to-Energy and Codigestion

In this issue, our specialists discuss the beneficial use of waste materials as a cornerstone of long-term energy independence.

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April 12, 2013

The Aging Interstate Highway System: Our Biggest Funding Challenge

Few would disagree that America’s interstate highway system was one of the most important transportation investments, but current funding isn't sustainable for long-term maintenance and expansion. The interstate system is anything but “paid for” and states need new options for sustainable revenue sources if they are to preserve this valuable national asset.

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