Tag Archives | solar

What’s Beyond Zero Emissions Vehicles?

The automotive industry has invested billions in alternative fuel technology since that first Prius rolled off its assembly line. And these days a growing portion of that investment has been focused on zero emission technologies, such as battery electric vehicles (EVs) and hydrogen fuel cells.

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Africa to be world’s largest market for solar lighting by 2015

Africa is set to become the world’s largest market for solar portable lights (SPLs) by 2015, a report compiled by the International Finance Corporation and World Bank Lighting Africa programme has found. The report ‘Solar Lighting for the Base of the Pyramid – Overview of an Emerging Market’ highlights that about 1,3-billion people across the […]

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Solar fuel – the thermo-chemical approach

This is the thermo-chemical approach, in which solar energy is captured in the configuration of certain molecules, which can then release the energy on demand to produce usable heat. And unlike conventional solar-thermal systems, which require very effective insulation and even then gradually let the heat leak away, the heat-storing chemicals can remain stable for […]

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Could a Brightening Sun Cool the Earth?

We’ve talked before about the sun-climate connection, which is often invoked as the great missing link in understanding climate change. It’s absolutely true that the sun is crucial to Earth’s climate. Without it, we’d have no winter, no summer, no day/night temperature variations — and it wouldn’t matter anyway, because the planet would be frozen […]

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Bamboo Clothing: Green, or Greenwashed?

If you’re looking for more eco-friendly clothing, should you choose bamboo? Bamboo has been touted for the last several years as being one of the most environmentally-responsible fabrics on the market. A hardy grass, it grows like a proverbial weed, sometimes sprouting 4 feet in a single day – and that’s without the assistance of […]

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Sun farm construction could start in 2012

Government expects the construction of Eskom’s planned solar farm in Upington to start in 2012, Public Enterprises Minister Barbara Hogan said on Friday. Eskom is likely to be able to finalise a decision on which technology it will use at the sun farm in December, start construction in mid to late 2012, and complete a […]

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Hybrid solar system for heat and electricity funded

PVT Solar is entering the solar-panel market with a twist: its system generates electricity as well as heat. The San Francisco area-based start-up today said that it has raised a series B round of $13.7 million from Sigma Partners and named a former SunPower executive, Vikas Desai, as CEO. The money will be used to […]

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Second SA Solar Challenge to start next week

The South African Solar Challenge 2010 kicks off in Pretoria next week. The ten-day race between solar-powered cars travelling more than 4 000 km across the country is scheduled to finish in Pretoria, on October 2. The 2010 event has attracted racing teams from Germany, Japan, Iran and South Africa, including the German School in […]

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Green Plumbing

The concept of green plumbing is still relatively unknown in South Africa. This is changing however as South African plumbers and water related stakeholders are fast realising the importance of conserving water. But what does green plumbing mean? The concept is actually very simple. Green plumbing refers to these stakeholders actively applying methods and products […]

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