We purchase energy for our factory in Finland from an external supplier. The required energy can be divided into electricity, heating and steam. Renewable energy sources account for approximately 13% of the electricity that we purchase.
We use biomass and natural gas as the energy sources for heating and steam generation. A biomass power plant that supplies our factory in Finland started its full production in April 2016. The new plant reduces the use of fossil fuels – natural gas – in favor of local energy sources in the region.
In Nokia, Finland about 47% of all used energy is produced with renewable energy sources. Our Russian factory uses natural gas as an energy source. We buy the electricity from an external supplier but we use our own power station for the energy required for heating and steam.
Our Energy Savings working group continued its activities in 2018. We exceeded our target of reducing our yearly energy consumption by 1% per production ton, with a 2.5% reduction from the previous year.
CARBON DIOXIDE (CO2)
We calculate our tire production GHG emissions from raw material purchasing to the disposal of the product in compliance with the ISO 14064 standard. Our Russian factory uses its own power station for generating most of the energy it needs. Therefore, the factory’s direct GHG emissions exceed those of the factory in Finland.
We are seeking a 20% reduction in CO2 emissions by 2020 and a 30% reduction by 2030. The actual reduction from 2013 was 38% in 2018, which means that we met and clearly exceeded the target.
Nokian Tyres wants to contribute to tackling climate change by setting ambitious science-based climate targets. In May 2018, Nokian Tyres joined the Science Based Targets initiative with the aim of setting more precise targets that are assessed and approved by an external organization.
Nokian Tyres reached its previously set targets to reduce CO2 emissions well ahead of schedule. The new climate goals will be linked to the company’s value chain as well as the environmental impacts of products. The company targets to achieve approval for Science Based Targets by 2020.
Scope 3 emissions (all indirect emissions) has partly been included in our previous CO2 emission calculations. In order to set SBTs we need to understand and manage all CO2 emissions in all our operations. In 2018, we started screening downstream emissions and, in 2019, we will calculate our scope 3 emissions.
VOLATILE ORGANIC COMPOUNDS, VOCS
Solvents, or volatile organic compounds (VOCs), form our most significant emissions into air. As the legislation concerning VOC emissions is country-specific, our calculation and reporting of VOC emissions varies by country.
In Finland, we follow the European VOC Directive, which stipulates that emissions are calculated based on the used solvents. We use solvents in our factory only in the production of heavy tires and retreading material for improving adhesion. The VOCs from retreading material production and the assembly of heavy tires are collected and conveyed to a catalytic incineration plant.
Collecting solvent emissions from the production of heavy tires poses a challenge. In the production of heavy tires, it is not possible to seal the emission sources so that all emissions could be collected and conveyed for incineration.
In Finland, we aim to comply with the total emission limit of the European VOC Directive, which is 25% of the solvents used. In 2018, the total solvent emissions was 29% of used solvents.
No solvents are used in tire manufacture at our Russian factory. According to the local legislation, emissions are calculated based on emission measurements. VOC emissions are generated due to the raw materials used in the processes.
PARTICLE EMISSIONS (DUST)
Particle emissions are caused by the processing of powdery chemicals in our compound mixing department. The mixing equipment is fitted with effective ventilation and dustcollection devices, and the best separation rates achieved by water cleaners exceed 99%. We measure particle emissions with particle concentration and differential pressure gauges. In addition, outside experts carry out regular concentration measurements.
The measured particle concentrations have complied with the permit limits at both of our factories. The dust that passes through the filter system mainly causes an aesthetic inconvenience and poses no harm to the environment or health.
EMISSIONS FROM ENERGY PRODUCTION
An independent company annually measures the nitrogen and sulfur emissions from energy production at our factory in Russia. Our nitrogen and sulfur emissions are below the set emission limits.
According to surveys that we have commissioned, odor emissions are momentary. The mastication process for softening natural rubber causes discharges of compounds during the precipitation and dehydration phases of rubber milk that results in an unpleasant odor in the near surroundings. We use droplet separators for reducing the odors from mastication. We have also managed to lower the number of separate mastication processes, thereby reducing the related odors.
Some odors are generated during the tire curing process. The quantity of the curing fumes released in the process is directly proportional to the amount of cured rubber. The concentrations of individual substances in the fumes are very small.
In the past two years, our factories have introduced new odor control equipment that represents the best available technology (BAT). In Vsevolozhsk, the technology covers all the mixing lines, whereas in Nokia the technology is being implemented gradually.
In 2018, we were contacted twice concerning odor emissions in our Russian factory. Investment plan for more comprehensive odor reduction equipment is under evaluation.
Our production facilities have noise limits subject to their environmental permits. We regularly track and measure noise emissions. According to the measurements, we are below the noise limits.