Toyota South Africa Sustainability Report 2008 - Automotiveonline ...

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Sustainability Report_14-10-2008:Layout 1 10/14/08 2:45 PM Page 22 A Continuously Variable Transmission (CVT) can provide better fuel economy by allowing the engine to run at its most efficient revolutions per minute (RPM) for a range of vehicle speeds. This technology is used in the Prius (1.5l). Variable Valve Timing (VVT-i) is a technology developed by Toyota, which varies the timing of the intake valves. Dual VVT-i adjusts both intake and exhaust camshafts.These engines significantly reduce hydrocarbon emissions. Meeting European Emissions Standards European emission standards define the limits for exhaust emissions of new vehicles sold in EU member states. Successive European directives progressively introduce increasingly stringent standards. The stages are typically referred to as Euro 1, Euro 2, Euro 3, Euro 4 and Euro 5 fuels for Light Duty Vehicle standards. Currently, emissions of nitrogen oxide (NOx), hydrocarbons (HC), carbon monoxide (CO) and particulate matter (PM) are regulated for most vehicle types. Toyota sales that meet the various stages are reflected below. Special Story In 2007, the Weld Plant at the Prospecton site undertook a major energy saving drive, under the theme of Environmental and Global Warming. Their aim within a two-year period was to replace all the high-energy lights of 400W each with low energy fluorescent tubes, and to ensure that unnecessary lights were not used. They achieved this – along with a monthly energy saving in the weld plant of 7,455 kWh – within 18 months, through the removal, replacement or disabling of a total of 961 400-watt bulbs. FY’06 FY’07 EURO 0 10,697 8,254 EURO 2 82,527 62,043 EURO 4 55,992 77,159 Grand Total 149,261 147,456 The Weld Plant team. Budgeting and Planning As part of our drive to integrate environmental considerations into everything we do, no single “environmental budget” is compiled for our operations. Each department is responsible for capital expenditure, operational expenditure and maintenance budgets for environmental performance. Thus no consolidated figure can be reported for Toyota South Africa. 22
Sustainability Report_14-10-2008:Layout 1 10/14/08 2:45 PM Page 23 Appendix DATA MEASUREMENT TABLE Issue Measured/Calculated/Estimated Method of Measurement/Calculation/Estimation Energy Use: electricity Measured Municipal meters and related billing Energy Use: LPG Measured Volume purchased 4th environmental action plan: CO 2 emissions Calculated, using conversion co-efficients Electricity: 0.958kg CO 2 /kWhr Methane: 1.801 kg CO 2 /m 3 LPG: 3.0 kg CO 2 /kg LPG Water Used Measured Flow meters Waste Water Measured Flow meters Packaging Measured Weighed Waste Measured Weighed SOC’s Measured Non-use confirmed through audits PRTRs Measured Weighed Methane Measured Flow meters (m 3 ) SOx Calculated 8.69kg / MWh (from Eskom Annual Report 2008 pg 219) NOx Calculated 4.39kg / MWh (from Eskom Annual Report 2008 pg 219) ISO14001 certification: Maintained; recertification for next three years to be undertaken in November 2008. Sustainability Report 2008 23
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