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21st Century Tech Blog
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Ontario’s Mass Transit Provider Metrolinx Gives Up on Hydrogen Hydrail Alternative to Current Diesel-Powered Train Network
lenrosen4
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March 13, 2021
Cities
How to Get to Zero-Carbon Buildings
lenrosen4
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October 13, 2019
Cities
Back from Costa Rica Where a Carbon-Free Future is the Focus of the Government
lenrosen4
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March 12, 2019
Cities
Are The Cities Described Here What to Expect as the 21st Century Unfolds?
lenrosen4
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November 13, 2018
Cities
Cities Lead Way: 12 C40 Members to Buy Zero Emission Buses while Toronto-Alphabet Collaboration to Build Quayside
lenrosen4
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October 23, 2017
Cities
Gizmos & Gadgets: Self-Driving Pods on Singapore Roads This Year
lenrosen4
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April 23, 2016
0
Automobiles
Smart City Challenge to Develop a 21st Century Transportation System
lenrosen4
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March 19, 2016
0
Cities
$89 Trillion Investment Needed to Transition to Low-Carbon Economy
lenrosen4
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April 19, 2015
3
Air Transport Technology
Chicago’s Museum of Science and Industry is All About the Past
lenrosen4
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August 29, 2014
0
Cities
Proterra’s Electric Bus Travels Over 1,100 Kilometers in 24 Hours
lenrosen4
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May 25, 2014
1
Agriculture
What Did We Learn in State of the Future Report?
lenrosen4
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March 23, 2014
1
Energy/Industry
Headlines: London Opens World’s Largest Solar Bridge
lenrosen4
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February 7, 2014
0
Automobiles
Urban Spaces Update: SkyCycle Proposed for City of London
lenrosen4
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January 10, 2014
0
Cities
Headlines: Waste Heat from London Tube Heats Homes
lenrosen4
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November 20, 2013
1
Automobiles
Headlines: Podcars Coming to UK City in 2015
lenrosen4
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November 7, 2013
0
Artificial Intelligence
Headlines at 21st Century Tech for August 9, 2013
lenrosen4
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August 9, 2013
0
Electric Vehicles
Gizmos & Gadgets: The Aggie Bus is Electric and Recharges Wirelessly
lenrosen4
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January 6, 2013
0
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