✓ verbatim from the press
Diesel S-10 prices fell 0.97% in the week of May 24-30, from R$ 7.20 to R$ 7.13 per liter — the fifth consecutive weekly decline, according to a survey by the National Agency of Petroleum, Natural Gas and Biofuels (ANP) released this Friday. Regular gasoline also declined 0.60%, from R$ 6.66 to R$ 6.62 per liter, after weeks of increases. ✓
Press quotes (2)
"O preço do diesel caiu novamente na semana de 24 a 30 de maio, segundo levantamento de preços da Agência Nacional do Petróleo, Gás Natural e Biocombustíveis (ANP) divulgado nesta sexta-feira, 29. O preço do diesel S-10 recuou 0,97% em relação à semana anterior, passando de R$ 7,20 para R$ 7,13 o litro. É a quinta semana seguida de queda nos preços."
"Já a gasolina comum teve leve queda de 0,60% no período, após semanas consecutivas de alta. O preço médio nacional passou de R$ 6,66 para R$ 6,62 o litro."
Regional variation shows significant price disparities. For diesel S-10, Goiás registered the lowest national average price (R$ 6.88), followed by Rio Grande do Sul (R$ 6.93), Espírito Santo and Minas Gerais (both R$ 6.96). For gasoline, the highest prices were concentrated in the North region: Roraima (R$ 7.70), Rondônia (R$ 7.39) and Acre (R$ 7.33). ✓
Press quotes (2)
"Os menores preços médios do combustível foram registrados em Goiás, com R$ 6,88; Rio Grande do Sul, com R$ 6,93; e Espírito Santo e Minas Gerais, ambos com R$ 6,96 o litro."
"Os três Estados com a gasolina mais cara do País na semana última semana de maio foram Roraima, com média de R$ 7,70 o litro; Rondônia, com R$ 7,39; e Acre, onde o combustível foi vendido a R$ 7,33."
Cooking gas (LPG) also registered a slight drop of 0.10%, with the 13-kilogram cylinder going from R$ 114.77 to R$ 114.65. The highest LPG prices were recorded in Roraima (R$ 142.19), Tocantins (R$ 133.42) and Amapá (R$ 128.97). ✓
Press quotes (2)
"O gás de cozinha também registrou redução de 0,10%, com o botijão de 13 quilos saindo de R$ 114,77 para R$ 114,65."
"No caso do GLP, os maiores preços médios foram registrados em Roraima, com R$ 142,19 o botijão; Tocantins, com R$ 133,42; e Amapá, com média de R$ 128,97."
Covered by only some sources, or where the accounts diverge.
No gaps or divergences found — sources converge.
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What are the structural factors behind the sequence of diesel price drops?
Why it's still unknown: Sources report only the ANP weekly survey numbers, without analysis of economic or cyclical drivers explaining the five consecutive weeks of decline trend.
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How do current prices compare with market expectations for May?
Why it's still unknown: No source mentions analyst projections or consensus surveys (Focus/Bloomberg) to compare with observed results.
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What is the impact of regional variation on national logistics costs?
Why it's still unknown: Although sources present geographic price dispersion, there is no analysis of how tax differences or distribution bottlenecks explain gaps like Roraima vs Goiás.
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What are the implications for monetary policy and fuel inflation?
Why it's still unknown: Sources do not address how the sequence of diesel drops — a relevant IPCA component — might affect inflation projections or Copom decisions.