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COAL FLY ASH HIGHWAY
In 1972, Illinois built a highway embankment with 246,000 cubic yards of coal ash. It’s still holding up even after 50 yearsIn 1972, a groundbreaking highway project in Illinois incorporated coal fly ash as a structural fill, challenging traditional practices. Th...- In 1995, NASA sent 30 fertilised Japanese quail eggs to the Mir space station for 16 days; what scientists found after they returned raised new questions about life without gravityIn 1995, NASA launched a fascinating experiment by sending fertilized quail eggs to the Mir space station. The objective was to explore how...
- In 2011, NASA built a 50,000-square-foot California office that used 90% less drinking water and was designed to produce 20% more energy than it neededNASA’s Sustainability Base was designed as a 50,000-square-foot office that used just 12% of conventional electricity and 10% of potable wa...
- In 2009, Illinois used 38,881 tons of fly ash in highway construction; IDOT reported spending $1.75 million while reducing landfill use and cement demandIllinois highways are increasingly integrating fly ash, a byproduct of coal combustion, as a sustainable option for road construction. This...
- In 2009, Illinois used an estimated 284,715 tons of recycled concrete material in highway construction; IDOT spent about $3.18 million on the material for embankments, bases, and subbasesIn Illinois, the innovative approach of repurposing aged concrete for highway projects is not just cost-effective but also environmentally ...
- In 1989, Kentucky engineers built a 750-foot road base using about 80 tons of ponded fly ash; the 11% ash section was reported to perform well against the conventional controlAn experimental road base in Kentucky utilized coal plant residue in 1988. Fly ash has been a federal construction material since the 1970s...
- Tata Chemicals shares fall 3% after Kenya orders end to operations. Here’s whyTata Chemicals reported a consolidated net loss of Rs 17 crore in the June 2026 quarter, compared with a profit of Rs 252 crore a year earl...
- Tata Chemicals issues statement after Kenya govt orders suspension of operationsTata Chemicals Magadi has submitted a compliance report to the Kenyan government to address regulatory concerns and is awaiting further ins...
- Fly91 plane order: Smaller cities emerge as Indian aviation's next frontier as airlines bet on deeper, wider domestic networkFly91 new plane order: India’s regional aviation story is gathering altitude. Fly91 currently operates six ATR 72-600s. It plans to add ano...
- Abhinandan Varthaman quits IAF: How FLY91 hired the fighter pilot who shot down Pakistan's F-16 with an older-gen fighter jetAbhinandan varthaman retired: Former IAF Group Captain and Vir Chakra awardee Abhinandan Varthaman has joined Goa-based regional airline FL...
- SC flags highway encroachments; asks NHAI why CCTV can't be installed at toll plazasThe Supreme Court questioned the National Highways Authority of India regarding highway encroachments and stationary vehicles. Justices Vik...
- In 2020, Southwest University researchers treated rice husks with acid and burned them into ash; replacing 10% of cement with the ash increased compressive strength by 16.22% after 56 daysChinese researchers have found a way to strengthen cement using burnt rice husks. This agricultural waste, when treated and added, signific...
- In 2022, researchers studied sugarcane bagasse ash as a partial cement substitute; lower replacement levels showed better mechanical performance in concreteResearchers are investigating the potential of sugarcane bagasse ash as a sustainable alternative for concrete production. Rich in silica, ...
- Former IAF Group Captain Abhinandan Varthaman joins Fly91 as pilotAbhinandan Varthaman, a former IAF Group Captain known for his valor, has taken to the skies as a pilot at Fly91 since August. Awarded the ...
- Fly91 orders 40 ATR-72 aircraft in $1-billion fleet expansion push across IndiaRegional airline Fly91 has placed an order for forty new ATR-72 turboprop aircraft, which will drastically increase its fleet size. Anticip...
- Coal India shares gain 4% as August coal supplies rise 5.5% YoY: Buy, Sell or Hold?Coal India shares rose on Wednesday after the state-run miner reported a 5.5% YoY rise in August coal supplies. Strong April-August volumes...
- Coal India output dips 5.7% in August, offtake rises 5.5%Coal India's August production saw a 5.7 percent decrease compared to last year. However, the company's coal offtake rose by 5.5 percent du...
- Coal India’s supplies rise 5.5% in August despite output dipCoal India's supplies increased by 5.5 percent to 60.60 million tonnes in August. Non-regulated sector supplies saw robust growth of 9.6 pe...
- Fly91 close to ordering at least 20 ATR turboprops, sources sayIndian airline Fly91 is close to ordering at least twenty ATR turboprop aircraft. This significant deal signals a strong bet on India's exp...
- In 2019, Sydney replaced part of a busy road with concrete made from industrial waste. Five years later, the experiment had a surprising resultA road trial in Sydney tested the durability of concrete created from industrial waste, revealing impressive results. The geopolymer concre...
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