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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 years- 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 gravity
- 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 needed
- 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...04 Sep, 2026, 03.40 PM IST
- 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 ...04 Sep, 2026, 02.10 PM IST
- 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...04 Sep, 2026, 01.10 PM IST
- 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...04 Sep, 2026, 10.39 AM IST
- 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...04 Sep, 2026, 10.22 AM IST
- 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...03 Sep, 2026, 04.12 PM IST
- 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...03 Sep, 2026, 04.02 PM IST
- 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...03 Sep, 2026, 03.43 PM IST
- 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...03 Sep, 2026, 03.40 PM IST
- 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, ...03 Sep, 2026, 03.30 PM IST
- 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 ...02 Sep, 2026, 11.35 PM IST
- 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...02 Sep, 2026, 11.27 PM IST
- 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...02 Sep, 2026, 10.38 AM IST
- 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...01 Sep, 2026, 08.52 PM IST
- 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...01 Sep, 2026, 06.28 PM IST
- 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...31 Aug, 2026, 06.18 PM IST
- 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...24 Aug, 2026, 07.40 PM IST
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