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casca do café

Grãos de café sobre madeira rústica ao lado de um frasco científico com biocombustível amarelado, em cenário rural ao entardecer.

Renewable Biofuels

Coffee Husk Waste Energy: UFLA Study Transforms Agribusiness Biomass Into Renewable Energy to Produce Biofuel

Hilton Libório 20/10/2025 at 13:22

Most commented

3

Libya built over 4,000 kilometers of underground pipelines to bring water from the Sahara to coastal cities in a project that the government itself called the Eighth Wonder of the World.

Bruno Teles 15/06/2026 at 13:14

6

Desert sand, previously discarded for being too smooth for concrete, becomes an ecological brick in the United Arab Emirates, dispensing with Portland cement, curing at room temperature, and attempting to transform dunes useless for construction into raw material for a new arid engineering.

Valdemar Medeiros 15/06/2026 at 15:56

1

He transformed an abandoned plastic water tank into an underground house in the “hobbit hole” style, using only repurposed pallet wood, without heavy machinery or expensive labor.

Valdemar Medeiros 14/06/2026 at 00:35

1

Interesting facts

China transforms desert-devastated area into the world’s largest artificial forest, planting trees for 60 years, blocking sand that reached Beijing, and creating a “green lung” of 92,000 hectares in a region once considered lost.

Alisson Ficher 13/06/2026 at 15:46

0

Toyota launches “family hybrid van” with 7 or 8 seats, 1.8 hybrid engine, fuel consumption of up to 23.8 km/l, and a price equivalent to about R$ 104,000 without taxes, below the Tiggo 8 Pro Plug-in Hybrid sold in Brazil: meet the Noah Hybrid 2026 in Japan.

Carla Teles 13/06/2026 at 23:09

1

Interesting facts

With 70 tons of rock removed by hand and an 800-year-old abandoned cave, a former businessman transforms a dark shelter into a modern home carved in the heart of the forest.

Alisson Ficher 16/06/2026 at 21:45

3

Science and Technology

Engine without traditional cylinder head could change the future of hybrids: Aramco creates DHE technology that simplifies mechanics, promises to reduce consumption by up to 25%, and challenges decades of evolution in combustion engines.

Carla Teles 15/06/2026 at 17:51

With 70 tons of rock removed by hand and an 800-year-old abandoned cave, a former businessman transforms a dark shelter into a modern home carved in the heart of the forest.
19/06/2026 by Bob

What no photos, waste of an article
After a rivalry for the world record, an American builder creates a manned aircraft measuring only 3.35 meters, with a wingspan of 1.91 meters and weighing 114 kg, recognized by Guinness as the smallest monoplane ever flown.
19/06/2026 by Trevor Skinner

A good video of it taking off and landing would…
Martian meteorite reveals unexpected surprise about the history of the red planet
18/06/2026 by hunter

this is crazy
Alexa+ arrives in Brazil with generative AI in the ChatGPT style, promises to understand even the Brazilian way, costs R$ 99.90 outside of Prime, and can transform Amazon’s old assistant into a smart hub for conversations, tasks, connected home, emails, and even Uber requests.
18/06/2026 by Custom Auction

📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇 <<<recruitement form="" is="" out="" we="" are="" replacing="" a="" new=""…
Fragment of the Moon found in Africa holds a mark of a giant impact from 3.5 billion years ago and may reveal what the solar system was like when life was beginning to emerge on Earth.
18/06/2026 by Custom Auction

📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇 <<<recruitement form="" is="" out="" we="" are="" replacing="" a="" new=""…
After almost 40 years, the cable that helped build the modern internet begins to be removed from the ocean
18/06/2026 by Custom Auction

📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇 <<<recruitement form="" is="" out="" we="" are="" replacing="" a="" new=""…
The richest man on the planet has already sent cheese into space: SpaceX placed a wheel of Le Brouère inside the Dragon capsule, kept the cargo a secret, and turned a NASA test into one of the most unusual missions in history.
18/06/2026 by Custom Auction

📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞📞👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇 <<<recruitement form="" is="" out="" we="" are="" replacing="" a="" new=""…

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