combustivel

Science and Technology

South Africa is investing billions of dollars to transform the desert into a green hydrogen hub, with solar plants, wind farms, and a new port, in the ambition to become one of the largest exporters of this fuel.

Maria Heloisa Barbosa Borges 11/06/2026 at 21:28

Fuel Prices

Azul tightens its belt, targets aviation fuel prices, and may reduce flights in cities while Campinas, Belo Horizonte, and Recife become key components of the new network.

Viviane Alves 06/06/2026 at 20:28

Renewable Biofuels

Brazil begins to transform wheat, residues, sweet potatoes, and soy molasses into ethanol, in a new phase of biofuels that seeks to utilize leftovers from the field and industry to fuel flex-fuel cars.

Noel Budeguer 03/06/2026 at 12:41

Fuel Prices

Petrobras surprises the market by cutting diesel by R$ 0.35 per liter, and the decision may ease the tax impact for drivers and transport companies.

Jefferson Augusto 01/06/2026 at 15:40

Economy

Gasoline at R$ 4.99 makes drivers wait more than an hour at Havan gas stations in Santa Catarina, during a “zero tax” promotion with a limit of 15 liters per car and 25,000 liters available across five units of the network.

Carla Teles 20/05/2026 at 13:52

Fuel Prices

Gasoline prices may have a controlled increase with the new government MP after the crisis between the US and Iran.

Keila Andrade 14/05/2026 at 11:16

Interesting facts

A city buys hydrogen buses, hailed as a symbol of future transport, but then runs out of fuel to supply its own fleet, leaving million-dollar vehicles idle for months while support cars revert to diesel.

Flavia Marinho 07/05/2026 at 18:43

Science and Technology

A panel that transforms water and sunlight into green hydrogen without using electricity is drawing attention for eliminating electrolyzers, reducing costly steps, and paving the way for clean fuel produced on-site.

Flavia Marinho 01/05/2026 at 19:33

gasolina e gasolina premium: octanagem, detonação e motor explicados com clareza para escolher entre 95, 98 e 100 com segurança.

Automotive

Few People Know, but Using 98 or 100 Octane Gasoline at the Right Time Can Prevent Internal Engine Knocks, Reduce Invisible Wear, and Even Correct Silent Performance Losses That Go Unnoticed in Daily Life

Maria Heloisa Barbosa Borges 09/02/2026 at 16:03

economia; combustível; tecnologia; carros.

Economy

Do You Know? Fuel-Efficient Technologies That Actually Work in Brazil

Roberta Souza 29/10/2025 at 19:45

Gasolina ou Álcool: Qual Combustível Compensa Mais no Brasil? Veja Como Economizar

Fuel Prices

Gasoline or Ethanol: Which Fuel Is More Cost-Effective in Brazil? See How to Save

Sara Aquino 14/10/2025 at 12:58

Petrobras lança projeto inédito para produzir diesel renovável e combustível de avião sustentável em SP

Economy

Petrobras Launches Innovative Project to Produce Renewable Diesel and Sustainable Aviation Fuel in São Paulo

Carla Teles 20/08/2025 at 17:53

South Africa is investing billions of dollars to transform the desert into a green hydrogen hub, with solar plants, wind farms, and a new port, in the ambition to become one of the largest exporters of this fuel.

Azul tightens its belt, targets aviation fuel prices, and may reduce flights in cities while Campinas, Belo Horizonte, and Recife become key components of the new network.

Brazil begins to transform wheat, residues, sweet potatoes, and soy molasses into ethanol, in a new phase of biofuels that seeks to utilize leftovers from the field and industry to fuel flex-fuel cars.

Petrobras surprises the market by cutting diesel by R$ 0.35 per liter, and the decision may ease the tax impact for drivers and transport companies.

Gasoline at R$ 4.99 makes drivers wait more than an hour at Havan gas stations in Santa Catarina, during a “zero tax” promotion with a limit of 15 liters per car and 25,000 liters available across five units of the network.

Gasoline prices may have a controlled increase with the new government MP after the crisis between the US and Iran.

A city buys hydrogen buses, hailed as a symbol of future transport, but then runs out of fuel to supply its own fleet, leaving million-dollar vehicles idle for months while support cars revert to diesel.

A panel that transforms water and sunlight into green hydrogen without using electricity is drawing attention for eliminating electrolyzers, reducing costly steps, and paving the way for clean fuel produced on-site.

Few People Know, but Using 98 or 100 Octane Gasoline at the Right Time Can Prevent Internal Engine Knocks, Reduce Invisible Wear, and Even Correct Silent Performance Losses That Go Unnoticed in Daily Life

Do You Know? Fuel-Efficient Technologies That Actually Work in Brazil

Gasoline or Ethanol: Which Fuel Is More Cost-Effective in Brazil? See How to Save

Petrobras Launches Innovative Project to Produce Renewable Diesel and Sustainable Aviation Fuel in São Paulo

In the cold desert of Ladakh, where it hardly rains, engineer Sonam Wangchuk created the ice stupa, a tower that freezes winter water and stores it for irrigating crops in the spring, a simple engineering feat that mimics nature.

Almost 6,000 residents live concentrated along a single street nearly 9 km long in the interior of Poland. Houses form a continuous row, and behind them, narrow agricultural strips emerge, creating one of the most unusual rural patterns in Europe.

They planted a sea of eucalyptus to produce cellulose, but the monoculture turned into a green desert, dried up springs and rivers, and pushed families out of regions in Minas Gerais and Bahia.

Júlia Pimentel, an 11-year-old from Minas Gerais, independently invented a new formula to calculate the square root using simple addition and multiplication, and her method was published in one of the most important mathematical scientific journals in Brazil.

Chinese woman planted trees for decades while sand buried part of her house, received $5,000 from an American in 1999, and helped transform the desert into a forest of 8 million trees in China.

Heir bought 23,000 degraded acres in the Scottish Highlands, fenced the area, planted nearly 1 million native trees, and transformed empty mountains into a forest officially recognized after meeting 15 evaluation criteria over 20 years.

The Atacama Desert, the driest place on Earth, was covered in flowers and turned into a colorful carpet with more than 200 species in the phenomenon called “desert bloom,” when atypical rains awaken seeds that had remained dormant in the soil for many years.