Engineering for Change

Interest: Energy

When the sun goes down, the day ends. No work after dark, no studying. That’s the reality for one quarter of the world’s population that lives without electricity. Inventive design and the falling cost of solar power is lighting up homes that the traditional energy grid has left dark. Power solutions that can scale are filling in the grid gaps with solar, hydro, wind and biogas. With alternative energy solutions, the world is lighting up.

Interest: Energy

  • Interest
  • Energy
Guest Author

Creating Cold: The Chilling Challenge of Off-Grid Refrigeration for Developing Countries

October 16, 2019

Larry Bentley and F. Andrew Dowdy are trying to solve the problem of refrigeration for off-grid communities in developing...

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Iwona Bisaga

The Value of Off-Grid Solar Energy in Refugee Camps

October 15, 2019

Kenya is a critical hub for refugees who migrate mainly from the Horn of Africa and South Sudan. Kakuma,...

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Guest Author

Kenya Introduces the World’s First LPG Smart Metering Standard

October 8, 2019

The Kenyan Bureau of Standards launched a new standard for LPG (liquid petroleum gas, or propane) metering that represents...

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Rob Goodier

Rural Solar Energy Enterprises Can Learn from Mobisol’s Hard-Earned Lesson

September 3, 2019

Editor’s note: The French utility ENGIE announced that it bought Mobisol shortly after publication of this article. The acquisition...

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Rob Goodier

Chakr Raises Rs 19 Crore to Scale Their Emissions Controllers for Indian Diesel Generators

June 11, 2019

Chakr Innovation and their retrofitted emissions scrubber for diesel generators has raised ₹19 crore (USD $2.7 million) in series...

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Rob Goodier

Research Brief: Large-Scale Stove and Water Filter Delivery Is Linked to Improved Children’s Health

June 4, 2019

A new large-scale trial of clean-burning rocket stoves and water filters in the poorest households in Western Province, Rwanda,...

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Pallavi Bharadwaj

India’s Universal Power Supply May Be Only a Subsidy Policy Away

May 13, 2019

India has almost achieved the historic goal of connecting every household to the electricity grid. The next challenge is...

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Rob Goodier

Designed: This Air Conditioner for Homes and Offices Uses No Electricity

April 30, 2019

Evaporative coolers have been known to purveyors of low-cost, sustainable technologies for years. Without the need for electricity, these...

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Rob Goodier

Inevitable Change: How Husk Power Embraced Adaptability

April 25, 2019

After three years of publishing in-depth case studies and essays on global development technology and social ventures, Demand: ASME...

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Rob Goodier

Five Questions with Manoj Sinha, CEO of Husk Power Systems

2018 was a transformative year for Husk Power Systems, the decentralized energy supplier in rural India and Tanzania. At...

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