Fuel

Competing Technologies Within Hydrogen Car Community

Not only is the hydrogen car industry being pressured by outside competition such as electric cars and those that run on biofuels, but there is competition within the hydrogen car industry itself.

November 21, 2009 - Hydrogen Cars & Vehicles Blog

Tree Fungus In Your Tank

An organism discovered in the Patagonian rainforest produces a mixture of chemicals similar to diesel.

November 7, 2008 - Guardian.co.uk

The Double and Triple Whammy – Rising Fuel, Transit Reductions, and the Presidential Election

Three whammy’s are pressing America’s luck this spring as the nation engages in one of the most exciting presidential elections in my lifetime. The problem is that the only solution that has been proposed at the national-level has been a gas tax holiday. A gas tax holiday would have the effect of starving our increasingly troubled transportation system of the necessary funds to maintain and improve infrastructure and service.

May 21, 2008 - John Renne

FREE Course: Walkable City 1: Why Walkability?

After describing his path towards focusing on walkability as the essence of good planning, Jeff Speck marches through his five principal reasons for making more walkable places.

Reinventing Malls: Planning Alchemy—Turning Gray Fields Into Gold

The course focuses on the opportunities and imperatives that shape reinvention of mall sites.

Top Books

An annual review of books related to planning.

Top Schools

The definitive ranking of graduate planning programs.

100 Most Influential Urbanists

The who's who of urbanism, according to Planetizen readers.

Urban Planning Creators You Should Know

A short list of voices on social, video, and podcasting platforms.