Economy
Agricultural Waste Drives us Closer to Greener Transport
Composite materials made from agricultural waste could be used to produce sustainable, lightweight and low-cost applications in the automotive and marine industries.
A team of researchers, led by the University of Portsmouth, have developed a bio-composite material using date palm fibre biomass (biomass is a term that includes waste material from plants, food waste and sewage) that can be used in non-structural parts, such as car bumpers and door linings. The team also involved researchers from the University of Cambridge, INRA (Institut national de la recherche agronomique, a French public research institute dedicated to agricultural science) and University of Britanny, South.
The date palm fibre polycaprolactone (PCL) bio-composite is completely biodegradable, renewable, sustainable and recyclable, unlike synthetic composites reinforced by glass and carbon fibres.
In a study, published in the journal Industrial Crops and Products, the researchers tested the mechanical properties of the bio-composite. They found that the date palm fibre PCL had increased tensile strength and achieved better low-velocity impact resistance than traditional man-made composites.
Dr Hom Dhakal, who leads the Advanced Materials and Manufacturing (AMM) Research Group at the University of Portsmouth and co-author of the study, said: “Investigating the suitability of date palm fibres waste biomass as reinforcement in lightweight composite materials provides a tremendous opportunity of utilising this material to develop low-cost, sustainable and lightweight biocomposites.
“The impact of this work would be extremely significant because these lightweight alternatives could help reduce the weight of vehicles, contributing to less fuel consumption and fewer C02 emissions. The sustainable materials can be produced using less energy than glass and carbon fibres and are biodegradable, therefore easier to recycle.”
The study is one of the first to provide a comprehensive assessment of the improved mechanical properties of date palm fibre PCL bio-composites.
Date palm fibres are one of the most available natural fibres in North Africa and the Middle East. Date palm trees produce a large quantity of agriculture waste, which is burned or land-filled, causing serious environmental pollution as well as the destruction of important soil micro-organisms. The part of the date palm tree which is often used as fibres is the sheath. The sheath is the part of the tree which surrounds the trunk of the plant. It is often torn lose when pruning the leaves.
“It’s a long journey,” says Dr Dhakal, “and we have to have patience and perseverance to make an impact. The challenge is getting consistent, reliable properties. It takes a long time to convince people to use a new class of materials, such as natural fibre reinforced composites for non-structural and structural applications.
“Meeting these challenges requires further research and innovation between academic institutions and industry.”
Dr Dhakal and his team have been working closely with industry to test the strength and viability of parts made from sustainable materials, such as date palm, flax, hemp and jute fibres. The AMM Research Group has been working in collaboration with researchers from institutions from around the world.
In the last 18 months, the group has published many high impact factor papers in journals including the Composites Science and Technology, Composites Part A and Composites Part B.
A recent collaborative study, published in the journal of Composite Part A: Applied Science and Manufacturing explored the potential of waste leaf sheath date palm fibres for composite reinforcement.
Economy
Nigeria’s Crude Oil Production Drops Slightly to 1.422mb/d in December 2025
By Adedapo Adesanya
Nigeria’s crude oil production slipped slightly to 1.422 million barrels per day in December 2025 from 1.436 million barrels per day in November, according to data from the Organisation of Petroleum Exporting Countries (OPEC).
OPEC in its Monthly Oil Market Report (MOMR), quoting primary sources, noted that the oil output was below the 1.5 million barrels per day quota for the nation.
The OPEC data indicate that Nigeria last met its production quota in July 2025, with output remaining below target from August through December.
Quarterly figures reveal a consistent decline across 2025; Q1: 1.468 million barrels per day, Q2: 1.481 million barrels per day, Q3: 1.444 million barrels per day, and 1.42 million barrels per day in Q4.
However, the cartel acknowledged that despite the gradual decrease in oil production, Nigeria’s non-oil sector grew in the second half of last year.
The organisation noted that “Nigeria’s economy showed resilience in 2H25, posting sound growth despite global challenges, as strength in the non-oil economy partly offset slower growth in the oil sector.”
According to the report, cooling inflation, a stronger Naira, lower refined fuel imports, and stronger remittance inflows are improving domestic and external conditions.
“A stronger naira, easing food prices due to the harvest, and a cooling in core inflation also point to gradually fading underlying pressures”, the report noted.
It forecast inflation to decelerate further on the back of past monetary tightening, currency strength, and seasonal harvest effects, though it noted that monetary policy remains restrictive.
“Seasonally adjusted real GDP growth at market prices moderated to stand at 3.9%, y-o-y, in 3Q25, down from 4.2% in 2Q25. Nonetheless, this is still a healthy and robust growth level, supported by strengthening non-oil activity, with growth in that segment rising by 0.3 percentage points to 3.9%, y-o-y. Inflation continued to decelerate in November, with headline CPI falling for an eighth straight month to 14.5%, y-o-y, following 16.1%, y-o-y, in October”.
OPEC, however, stated that while preserving recent disinflation gains is important, the persistently high policy rate – implying real interest rates of around 12% – risks weighing on aggregate demand in the near term.
Economy
NBS Puts Nigeria’s December Inflation Rate at 15.15% After Recalculation
By Aduragbemi Omiyale
The National Bureau of Statistics (NBS) on Thursday revealed that inflation rate for December 2025 stood at 15.15 per cent compared with the 14.45 per cent it put the previous month.
However, it recalculated the November 2025 inflation rate at 17.33 per cent after using a 12-month index reference period where the average consumer price index (CPI) for the 12 months of 2024 is equated to 100. This is a departure from the single-month index reference period, in which December 2024 was set to 100, which would have produced an artificial spike in the December 2025 year-on-year inflation rate.
The NBS had earlier informed stakeholders a few days ago that it was changing its methodology for inflation to reflect the economic reality. This is coming after the organisation changed the base year from 2009 to 2024 earlier in 2025.
In its report released today, the stats agency explained that this process was in line with international best practice as contained in the Consumer Price Index Inter-national Monetary Fund (IMF) Manual, specifically in Section 9.125 and the ECOWAS Harmonised CPI Manual, which address index reference period maximisation, following a rebasing exercise.
On a month-on-month basis, the headline inflation rate in December 2025 was 0.54 per cent, lower than the 1.22 per cent recorded in November 2025.
The NBS also revealed that on a year-on-year basis, the urban inflation rate for last month stood at 14.85 per cent versus 37.29 per cent in December 2024, while on a month-on-month basis, it jumped to 0.99 per cent from 0.95 per cent in the preceding month.
As for the rural inflation rate in December 2025, it stood at 14.56 per cent on a year-on-year basis from 32.47 per cent in December 2024, and on a month-on-month basis, it declined to -0.55 per cent from 1.88 per cent in November 2025.
It was also disclosed that food inflation rate in December 2025 was 10.84 per cent on a year-on-year basis from 39.84 per cent in December 2024, while on a month-on-month basis, it declined to -0.36 per cent from 1.13 per cent in November 2025 (1.13%).
This was attributed to the rate of decrease in the average prices of tomatoes, garri, eggs, potatoes, carrots, millet, vegetables, plantain, beans, wheat grain, grounded pepper, fresh onions and others.
Economy
LIRS Reminds Companies of Annual Tax Returns Filing Deadline
By Modupe Gbadeyanka
Companies operating in Lagos State have been reminded of their obligations to file their annual tax returns for the 2025 financial year on or before January 31, 2026.
This reminder was given by the Lagos State Internal Revenue Service (LIRS) in a statement made available to Business Post on Thursday.
In the notice signed by the chairman of the tax agency, Mr Ayodele Subair, it was stressed that filing the tax returns is an obligation as stipulated in the Nigeria Tax Administration Act (NTAA) 2025.
He explained that employers are required to file detailed returns on emoluments and compensation paid to their employees, as well as payments made to their service providers, vendors and consultants, and to ensure that all applicable taxes due for the year 2025 are fully remitted.
Mr Subair emphasised that filing of annual returns is a mandatory legal obligation, and warned that failure to comply will result in statutory sanctions, including administrative penalties, as prescribed under the new tax law.
According to Section 14 of the NTAA, employers are required to file detailed annual returns of all emoluments paid to employees, including taxes deducted and remitted to relevant tax authorities. Such returns must be filed and submitted not later than January 31 each year.
“Employers must prioritise the timely filing of their annual income tax returns. Compliance should be part of our everyday business practice.
“Early and accurate filing not only ensures adherence to the law as required by the Nigerian Constitution, but also supports effective revenue tracking, which is important to Lagos State’s fiscal planning and sustainability,” he noted.
The LIRS chief disclosed that electronic filing via the organisation’s eTax platform remains the only approved and acceptable mode of filing, as manual submissions have been completely phased out. This measure, he said, is aimed at simplifying and standardising tax administration processes in the state.
Employers are therefore required to submit their annual tax returns exclusively through the LIRS eTax portal: https://etax.lirs.net.
Dr Subair described the channel as secure, user-friendly, accessible 24/7, and designed to provide employers with a convenient and efficient means of fulfilling their tax obligations, advising firms to ensure that the tax identification number (Tax ID) of all employees is correctly captured in their filings, noting that employees without a Tax ID must generate one promptly to avoid disruptions during the filing process.
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